98cxnn
a9cx
b9cxn
c9cxnn
d9cx
yzdx
zzdxn
0zdxnn
1zdx
2zdxn
nqexn
oqexnn
pqex
qqexn
rqexnn
chfxnn
dhfx
ehfxn
fhfxnn
ghfx
17fx
27fxn
37fxnn
47fx
57fxn