menb
nenb6
oenb6r
penb
qenb6
b5nb6
c5nb6r
d5nb
e5nb6
f5nb6r
0vob6r
1vob
2vob6
3vob6r
4vob
pmpb
qmpb6
rmpb6r
smpb
tmpb6
edqb6
fdqb6r
gdqb
hdqb6
idqb6r