a75s
b75sp
c75spo
d75s
e75sp
zx6sp
0x6spo
1x6s
2x6sp
3x6spo
oo7spo
po7s
qo7sp
ro7spo
so7s
df8s
ef8sp
ff8spo
gf8s
hf8sp
258sp
358spo
458s
558sp
658spo