Fig.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FIG. 4
Q - Z
1
?
A B C
2
,
D E F
3
!
G H I
4
“
J K L
5
'
M N O
6
”
P R S
7
(
T U V
8
;
W X Y
9
)
*
0
:
#
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