lmqrst
mmqr
nmqrs
omqrst
pmqr
adrr
bdrrs
cdrrst
ddrr
edrrs
z3rrs
03rrst
13rr
23rrs
33rrst
ousrst
pusr
qusrs
rusrst
susr
dltr
eltrs
fltrst
gltr
hltrs