xyzstm
yyzs
zyzst
0yzstm
1yzs
mp0s
np0st
op0stm
pp0s
qp0st
bg1st
cg1stm
dg1s
eg1st
fg1stm
061stm
161s
261st
361stm
461s
px2s
qx2st
rx2stm
sx2s
tx2st