a81s
b81sy
c81syt
d81s
e81sy
zy2sy
0y2syt
1y2s
2y2sy
3y2syt
op3syt
pp3s
qp3sy
rp3syt
sp3s
dg4s
eg4sy
fg4syt
gg4s
hg4sy
264sy
364syt
464s
564sy
664syt