Phonebook Operation
Each press of a particular key causes characters to be displayed in the following order:
Key
1
1
space
2
A
3
D
4
G
5
J
6
M
7
P
Q
8
T
9
W
0
0
#
#
Characters by number of key presses
2
3
4
5
1
B
C
2
a
E
F
3
d
H
I
4
g
K
L
5
N
O
6
m
R
S
7
U
V
8
t
X
Y
Z
9
?
!
/
(
'
,
-
.
14
6
7
8
b
c
e
f
h
i
j
k
l
n
o
p
q
r
u
v
w
x
y
)
&
9
s
z