Digrafid Decoder
Cipher Text
Fractionation
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2
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7
8
(i.e. half the period)
Horizontal Keyword
Vertical Keyword
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9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
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8
9
a
j
s
1
b
k
t
2
c
l
u
3
d
m
v
4
e
n
w
5
f
o
x
6
g
p
y
7
h
q
z
8
i
r
#
9