1xz1
2xz1t
3xz1ti
4xz1
5xz1t
qo01t
ro01ti
so01
to01t
uo01ti
ff11ti
gf11
hf11t
if11ti
jf11
4511
5511t
6511ti
7511
8511t
tw21t
uw21ti
vw21
ww21t
xw21ti