Keypad Cipher
The Keypad cipher assigns each letter the digit it shares on a telephone keypad: ABC=2, DEF=3, through WXYZ=9.
Letter values
a
2
b
2
c
2
d
3
e
3
f
3
g
4
h
4
i
4
j
5
k
5
l
5
m
6
n
6
o
6
p
7
q
7
r
7
s
7
t
8
u
8
v
8
w
9
x
9
y
9
z
9
The Keypad cipher assigns each letter the digit it shares on a telephone keypad: ABC=2, DEF=3, through WXYZ=9.