a91s
b91sr
c91sri
d91s
e91sr
zz2sr
0z2sri
1z2s
2z2sr
3z2sri
oq3sri
pq3s
qq3sr
rq3sri
sq3s
dh4s
eh4sr
fh4sri
gh4s
hh4sr
274sr
374sri
474s
574sr
674sri