a91b
b91bp
c91bpd
d91b
e91bp
zz2bp
0z2bpd
1z2b
2z2bp
3z2bpd
oq3bpd
pq3b
qq3bp
rq3bpd
sq3b
dh4b
eh4bp
fh4bpd
gh4b
hh4bp
274bp
374bpd
474b
574bp
674bpd