a30y
b30y1
c30y1z
d30y
e30y1
zt1y1
0t1y1z
1t1y
2t1y1
3t1y1z
ok2y1z
pk2y
qk2y1
rk2y1z
sk2y
db3y
eb3y1
fb3y1z
gb3y
hb3y1
213y1
313y1z
413y
513y1
613y1z