z1pi0
01pi0t
11pi
21pi0
31pi0t
osqi0t
psqi
qsqi0
rsqi0t
ssqi
djri
ejri0
fjri0t
gjri
hjri0
29ri0
39ri0t
49ri
59ri0
69ri0t
r0si0t
s0si
t0si0
u0si0t
v0si