d3ab
e3abg
f3abgn
g3ab
h3abg
2tbbg
3tbbgn
4tbb
5tbbg
6tbbgn
rkcbgn
skcb
tkcbg
ukcbgn
vkcb
gbdb
hbdbg
ibdbgn
jbdb
kbdbg
51dbg
61dbgn
71db
81dbg
91dbgn