a
,
____________________
,
c
,
d
,
____________________
,
____________________
,
g
,
h
,
____________________
,
j
,
____________________
,
l
,
____________________
,
____________________
,
____________________
,
o
,
p
,
____________________
,
____________________
,
____________________
,
____________________
,
u
,
v
,
____________________
,
x
,
____________________
,
z
.