a | b | c | d | e |
---|---|---|---|---|
a
|
a
|
a
|
a
|
a
|
s
|
s
|
s
|
s
|
s
|
d
|
d
|
d
|
d
|
d
|
f
|
f
|
f
|
f
|
f
|
g
|
g
|
g
|
g
|
g
|