Cryptographie!

Fréquences des lettres, bigrammes, trigrammes, quadrigrammes en anglais

  Les statistiques suivantes ont été élaborées à partir d'une réunion de textes comprenant plus d'un million de caractères. Les textes ont été choisis de sorte d'être les plus variés possibles. Parmi eux, on trouve des extraits de Sherlock Holmes, d'Alice in Wonderland, de 1984 d'Orwell, des nouvelles de Lovecraft, un discours de Bill Clinton, des articles d'encyclopédie concernant Barack Obama, le football, la cryptographie, l'Europe, l'aviation, la musique, Harry Potter, la Première Guerre Mondiale,….
Fréquence des lettres
ETAOINSRHLDCU
12.19% 8.93% 8.46% 7.45% 7.38% 7.19% 6.47% 6.29% 5.35% 4.2% 4% 3.2% 2.76%
MFPGWYBVKXJQZ
2.53% 2.41% 1.99% 1.97% 1.88% 1.76% 1.5% 0.94% 0.66% 0.17% 0.13% 0.1% 0.08%
Fréquence des bigrammes
TH
2.89%
HE
2.55%
IN
1.91%
ER
1.78%
AN
1.77%
RE
1.37%
ES
1.32%
ON
1.26%
ND
1.21%
ST
1.19%
EN
1.16%
ED
1.14%
NT
1.13%
AT
1.1%
TI
1.04%
TO
1.01%
EA
0.98%
OR
0.97%
TE
0.94%
AR
0.94%
IT
0.93%
OF
0.91%
AL
0.91%
HA
0.88%
AS
0.84%
NG
0.82%
IS
0.82%
SE
0.74%
OU
0.73%
ET
0.72%
RI
0.71%
HI
0.71%
LE
0.67%
RO
0.66%
RA
0.66%
SA
0.65%
SI
0.65%
DE
0.64%
IC
0.64%
VE
0.62%
TA
0.61%
LI
0.6%
SO
0.59%
NE
0.59%
CO
0.58%
NA
0.57%
EC
0.57%
ME
0.57%
MA
0.56%
LL
0.55%
EL
0.53%
CE
0.51%
DI
0.51%
LA
0.5%
NO
0.5%
IO
0.5%
OT
0.49%
CH
0.48%
TT
0.48%
RT
0.47%
OM
0.47%
EM
0.46%
SS
0.46%
NS
0.46%
DT
0.45%
US
0.44%
WA
0.44%
BE
0.44%
EE
0.43%
SH
0.43%
RS
0.43%
CA
0.43%
UR
0.42%
NC
0.41%
HO
0.4%
NI
0.4%
DA
0.39%
FO
0.38%
FT
0.38%
LO
0.38%
PE
0.37%
EI
0.37%
AI
0.36%
EW
0.36%
EO
0.36%
LY
0.35%
TR
0.35%
TS
0.35%
AC
0.34%
OW
0.34%
UN
0.34%
IL
0.34%
WH
0.33%
AD
0.33%
EF
0.33%
UT
0.33%
EP
0.32%
GE
0.32%
MO
0.31%
WE
0.31%
WI
0.31%
AM
0.3%
DO
0.3%
PO
0.29%
OL
0.29%
IE
0.29%
IA
0.29%
OS
0.29%
ID
0.28%
PR
0.28%
RY
0.28%
IR
0.27%
MI
0.27%
CT
0.26%
FI
0.26%
IM
0.26%
UL
0.25%
DS
0.25%
OP
0.25%
SU
0.24%
LD
0.24%
YO
0.24%
GH
0.23%
PA
0.23%
OO
0.23%
FR
0.23%
RM
0.23%
HT
0.22%
FA
0.22%
CI
0.22%
FE
0.22%
GA
0.22%
EB
0.22%
SP
0.22%
IG
0.22%
TW
0.21%
EV
0.21%
SC
0.21%
WO
0.21%
PL
0.2%
TU
0.2%
KE
0.2%
SW
0.2%
EG
0.2%
AG
0.2%
EH
0.19%
RD
0.19%
MP
0.19%
AP
0.19%
YA
0.19%
AB
0.19%
AY
0.18%
CR
0.18%
YT
0.18%
GR
0.18%
GO
0.18%
OV
0.17%
IV
0.17%
OD
0.17%
UC
0.17%
GI
0.17%
DB
0.17%
BA
0.17%
TY
0.17%
RN
0.16%
LT
0.16%
BL
0.16%
AV
0.16%
LS
0.16%
YS
0.16%
EY
0.16%
RC
0.16%
BO
0.16%
AF
0.15%
BY
0.15%
BU
0.15%
VI
0.15%
TL
0.15%
OC
0.14%
NF
0.14%
FF
0.14%
SM
0.14%
GT
0.14%
EU
0.14%
DH
0.14%
DW
0.14%
CL
0.14%
IF
0.13%
RR
0.13%
OB
0.13%
RL
0.13%
SF
0.13%
EX
0.13%
OA
0.13%
KI
0.13%
DR
0.12%
YE
0.12%
AU
0.12%
DU
0.12%
CK
0.12%
RU
0.12%
PI
0.12%
UG
0.12%
YI
0.11%
PT
0.11%
NY
0.11%
SB
0.11%
MU
0.11%
UE
0.11%
UP
0.11%
SL
0.11%
FU
0.1%
YP
0.1%
BR
0.1%
LU
0.1%
PH
0.1%
NW
0.1%
AW
0.1%
TC
0.1%
NH
0.1%
MS
0.1%
OI
0.1%
CU
0.1%
DF
0.1%
TB
0.1%
QU
0.1%
DD
0.09%
OG
0.09%
DM
0.09%
UA
0.09%
VA
0.09%
NL
0.09%
PU
0.09%
NN
0.09%
UM
0.09%
MB
0.09%
AK
0.09%
FL
0.09%
OK
0.09%
BI
0.09%
PP
0.09%
YW
0.09%
NM
0.08%
DC
0.08%
RG
0.08%
HR
0.08%
UD
0.08%
RW
0.08%
SN
0.08%
RH
0.08%
GL
0.08%
GU
0.08%
LF
0.08%
DL
0.08%
RK
0.08%
OH
0.08%
DN
0.08%
IP
0.08%
TM
0.08%
NU
0.08%
GS
0.07%
WN
0.07%
UI
0.07%
RP
0.07%
NB
0.07%
HU
0.07%
RF
0.07%
UB
0.07%
CC
0.07%
DP
0.07%
MM
0.07%
SD
0.07%
MT
0.07%
YB
0.07%
RB
0.07%
YC
0.07%
YM
0.07%
GN
0.06%
TF
0.06%
SR
0.06%
MY
0.06%
NP
0.06%
FS
0.06%
VO
0.06%
YH
0.06%
NK
0.06%
DY
0.06%
LM
0.06%
TP
0.06%
KS
0.06%
IB
0.06%
YF
0.06%
DG
0.05%
PS
0.05%
FH
0.05%
YD
0.05%
HS
0.05%
FC
0.05%
YL
0.05%
KN
0.05%
LC
0.05%
EK
0.05%
KA
0.05%
YR
0.05%
HY
0.05%
LP
0.05%
IK
0.05%
TD
0.05%
HC
0.05%
NR
0.05%
AA
0.05%
AH
0.05%
WS
0.05%
HM
0.05%
OE
0.04%
OY
0.04%
LB
0.04%
LW
0.04%
SY
0.04%
NV
0.04%
RV
0.04%
IU
0.04%
HH
0.04%
JU
0.04%
SG
0.04%
SK
0.04%
FM
0.04%
XP
0.04%
EQ
0.04%
GW
0.04%
HW
0.04%
WT
0.03%
IZ
0.03%
JO
0.03%
TN
0.03%
FW
0.03%
XT
0.03%
DV
0.03%
ZE
0.03%
KT
0.03%
YN
0.03%
LR
0.03%
WR
0.03%
LG
0.03%
KO
0.03%
CS
0.03%
HN
0.03%
TG
0.03%
BS
0.03%
FP
0.03%
JE
0.03%
MR
0.03%
GC
0.03%
LH
0.03%
GF
0.03%
LV
0.03%
FB
0.03%
GB
0.03%
CY
0.03%
YG
0.03%
LK
0.02%
HL
0.02%
GG
0.02%
GD
0.02%
AE
0.02%
IW
0.02%
GM
0.02%
FG
0.02%
WL
0.02%
XI
0.02%
SV
0.02%
GY
0.02%
MW
0.02%
NJ
0.02%
XA
0.02%
GP
0.02%
HP
0.02%
HD
0.02%
HF
0.02%
FD
0.02%
HB
0.02%
EJ
0.02%
XC
0.02%
II
0.02%
AO
0.02%
LN
0.02%
AJ
0.02%
MH
0.02%
YU
0.02%
ZA
0.02%
BB
0.02%
IH
0.02%
KH
0.02%
XE
0.02%
UK
0.02%
KW
0.02%
UF
0.02%
MN
0.02%
WW
0.01%
MC
0.01%
IX
0.01%
JA
0.01%
MF
0.01%
DK
0.01%
KL
0.01%
FY
0.01%
FN
0.01%
TV
0.01%
SQ
0.01%
CP
0.01%
BT
0.01%
TK
0.01%
DJ
0.01%
UW
0.01%
KM
0.01%
ZI
0.01%
FV
0.01%
YY
0.01%
WD
0.01%
HG
0.01%
YK
0.01%
WC
0.01%
AX
0.01%
IQ
0.01%
SJ
0.01%
KR
0.01%
KY
0.01%
AZ
0.01%
PM
0.01%
BJ
0.01%
KP
0.01%
WM
0.01%
CW
0.01%
OX
0.01%
WB
0.01%
UO
0.01%
UH
0.01%
PY
0.01%
CM
0.01%
KF
0.01%
ML
0.01%
BC
0.01%
AQ
0.01%
PW
0.01%
MD
0.01%
YV
0.01%
WF
0.01%
KB
0.01%
VY
0.01%
NQ
0.01%
DQ
0.01%
KU
0.01%
CF
0.01%
CD
0.01%
WY
0.01%
KC
0.01%
EZ
0.01%
PF
0.01%
TJ
0.01%
OJ
0.01%
PB
0.01%
RJ
0.01%
NZ
0.01%
ZO
0.01%
WP
0.01%
YJ
0.01%
FK
0%
HV
0%
CB
0%
MG
0%
OZ
0%
KD
0%
CG
0%
BM
0%
FJ
0%
WU
0%
UY
0%
TQ
0%
SZ
0%
LJ
0%
OQ
0%
XU
0%
GV
0%
TZ
0%
XO
0%
RQ
0%
WG
0%
MJ
0%
VS
0%
YQ
0%
GK
0%
BH
0%
JI
0%
ZZ
0%
PC
0%
UX
0%
BW
0%
XH
0%
KG
0%
CN
0%
IJ
0%
MV
0%
VU
0%
IY
0%
WV
0%
HJ
0%
ZL
0%
HQ
0%
PD
0%
VR
0%
CQ
0%
UZ
0%
HK
0%
UV
0%
XF
0%
BV
0%
CZ
0%
GJ
0%
BD
0%
PN
0%
XW
0%
ZK
0%
ZT
0%
WK
0%
NX
0%
KV
0%
PG
0%
LQ
0%
CV
0%
UU
0%
XB
0%
QW
0%
WZ
0%
PK
0%
VN
0%
YZ
0%
MK
0%
BN
0%
ZY
0%
XR
0%
VT
0%
JK
0%
ZW
0%
GQ
0%
ZC
0%
XY
0%
ZM
0%
BF
0%
RX
0%
KK
0%
UJ
0%
VW
0%
BG
0%
KJ
0%
XK
0%
XS
0%
XM
0%
DZ
0%
QV
0%
QI
0%
JR
0%
RZ
0%
BP
0%
VP
0%
JH
0%
WQ
0%
XD
0%
VL
0%
ZF
0%
ZR
0%
VJ
0%
SX
0%
QH
0%
FQ
0%
ZH
0%
JW
0%
PZ
0%
ZS
0%
PV
0%
VB
0%
VC
0%
WJ
0%
VD
0%
JP
0%
ZD
0%
LX
0%
TX
0%
XV
0%
ZU
0%
QA
0%
XL
0%
XN
0%
VM
0%
QM
0%
VF
0%
CJ
0%
XQ
0%
LZ
0%
GX
0%
JC
0%
PJ
0%
MZ
0%
JM
0%
QO
0%
KQ
0%
GZ
0%
XX
0%
MQ
0%
XJ
0%
BK
0%
JV
0%
JS
0%
ZN
0%
YX
0%
DX
0%
QT
0%
KZ
0%
ZG
0%
JD
0%
QR
0%
VV
0%
ZB
0%
FX
0%
QE
0%
UQ
0%
JB
0%
QP
0%
JF
0%
XG
0%
QG
0%
QF
0%
QK
0%
PQ
0%
JQ
0%
BZ
0%
JX
0%
JY
0%
JZ
0%
XZ
0%
QL
0%
VG
0%
QN
0%
VH
0%
JN
0%
KX
0%
BX
0%
VK
0%
JL
0%
MX
0%
VQ
0%
QQ
0%
JJ
0%
QJ
0%
QS
0%
VX
0%
CX
0%
QD
0%
VZ
0%
QX
0%
ZJ
0%
QY
0%
QZ
0%
JG
0%
QC
0%
HZ
0%
ZP
0%
ZQ
0%
HX
0%
QB
0%
WX
0%
PX
0%
ZV
0%
FZ
0%
ZX
0%
BQ
0%
JT
0%
Fréquence des trigrammes et des quadrigrammes
Trigrammes
Quadrigrammes
THE1.99% STA0.18% TION0.32% IONA0.08%
AND0.86% WIT0.17% THER0.29% HTHE0.08%
ING0.63% EAR0.17% NTHE0.27% EVER0.08%
ION0.42% EDI0.17% OFTH0.25% OUGH0.08%
ENT0.42% NCE0.17% FTHE0.25% EDIN0.08%
HER0.41% AST0.17% DTHE0.22% ANDA0.08%
ERE0.35% INA0.17% THAT0.21% TAND0.08%
NTH0.33% IST0.17% OTHE0.18% GTHE0.07%
TIO0.32% ESS0.16% ETHE0.17% THED0.07%
THA0.32% ICA0.16% THES0.17% INGA0.07%
INT0.3% NDT0.16% WITH0.17% THEE0.07%
ETH0.29% ORT0.16% TTHE0.17% HAVE0.07%
OFT0.29% HEN0.16% INTH0.17% OVER0.07%
FOR0.28% ATT0.16% ATIO0.17% ERTH0.07%
DTH0.28% ECO0.16% STHE0.16% ORTH0.07%
TER0.28% NDE0.16% SAND0.16% THIN0.07%
ATI0.28% ARE0.15% HERE0.14% ECON0.07%
ALL0.27% AIN0.15% ANDT0.14% SAID0.07%
FTH0.27% EVE0.15% THEC0.13% NAND0.07%
EST0.26% ESA0.15% THEM0.13% THEY0.07%
HAT0.26% ITI0.15% NDTH0.13% EFOR0.07%
HIS0.25% SHE0.15% INGT0.12% DING0.07%
ERS0.24% HEC0.15% RTHE0.11% THEL0.07%
OTH0.23% OVE0.15% EAND0.11% IONO0.07%
STH0.23% EDA0.15% THEP0.11% SOFT0.06%
CON0.23% EIN0.15% TOTH0.11% THEG0.06%
WAS0.23% RAN0.14% MENT0.1% ICAL0.06%
HES0.23% ERI0.14% THEF0.1% EDBY0.06%
ATE0.23% HEM0.14% IONS0.1% OUND0.06%
VER0.22% HEA0.14% EDTH0.1% HECO0.06%
ITH0.21% NOT0.14% THEW0.09% LAND0.06%
TTH0.21% INE0.14% HICH0.09% ANDI0.06%
EDT0.2% TOF0.14% WHIC0.09% THEO0.06%
REA0.2% HEW0.14% ANDS0.09% INGS0.06%
RES0.2% NGT0.14% NGTH0.09% RAND0.06%
SOF0.19% WHI0.14% FROM0.09% EWAS0.06%
SAN0.19% ART0.14% EDTO0.09% EOFT0.06%
ONT0.19% MEN0.14% WERE0.09% ANCE0.06%
SIN0.19% TAN0.13% THET0.09% ATHE0.06%
DIN0.19% COM0.13% THEN0.09% ALLY0.06%
TED0.19% ORE0.13% YTHE0.09% ONOF0.06%
TIN0.19% ERT0.13% THEI0.08% REAT0.06%
THI0.19% DER0.13% ONTH0.08% KING0.06%
MAN0.18% GHT0.13% THEB0.08% YAND0.06%
EAN0.18% NTO0.13% THIS0.08% PRES0.06%
ERA0.18% DTO0.13% IGHT0.08% STAT0.06%
ONS0.18% NIN0.13% OULD0.08% RING0.06%
RTH0.18% RED0.13% TING0.08% TWAS0.06%
STO0.18% ONA0.13% ATTH0.08% COMP0.06%
EOF0.18% OUT0.13% THEA0.08% ERED0.06%