Bacon's Biliteral Cipher

A
aaaaa
B
aaaab
C
aaaba
D
aaabb
E
aabaa
F
aabab
G
aabba
H
aabbb
I
abaaa
K
abaab
L
ababa
M
ababb
N
abbaa
O
abbab
P
abbba
Q
abbbb
R
baaaa
S
baaab
T
baaba
V
baabb
W
babaa
X
babab
Y
babba
Z
babbb






















"The decipherment is completed in this same manner, advancing progressively and judiciously, the letters and the words already determined permitting the limitation of the number of trials that remain for suggesting letters and words likely to follow [our italics]."
--General Cartier, quoted by the Friedmans in The Shakespearean Ciphers Examined, 257n.






















"The decipherment is completed in this same manner, advancing progressively and judiciously, the letters and the words already determined permitting the limitation of the number of trials that remain for suggesting letters and words likely to follow [our italics]."






















thele
abaaa
I
tters
aaabb
D
andth
abaaa
I
eword
aaabb
D
salre
abbaa
N
adyde
abbab
O
termi
baaba
T
nedpe
babaa
W
rmitt
baaaa
R
ingth
abaaa
I
elimi
baaba
T
tatio
aabaa
E
nofth
baaba
T
enumb
aabbb
H
eroft
aabaa
E
rials
abbba
P
thatr
ababa
L
emain
aaaaa
A
forsu
babba
Y
ggest
baaab
S
ingle
aabab
F
tters
aaaab
B
andwo
aaaaa
A
rdsli
aaaba
C
kelyt
abbab
O
ofoll
abbaa
N
ow






















I DID NOT WRITE THE PLAYS F BACON