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
Configuration
Fast rotor
Medium rotor
Slow rotor
Drum column 1
Drum column 2
Drum column 3
Drum column 4
Drum column 5
Drum column 6
Drum column 7
Drum column 8
Drum column 9
Drum column 10
Drum column 11
Drum column 12
Input letter