0t1ibq
1t1i
2t1ib
3t1ibq
4t1i
pk2i
qk2ib
rk2ibq
sk2i
tk2ib
eb3ib
fb3ibq
gb3i
hb3ib
ib3ibq
313ibq
413i
513ib
613ibq
713i
ss4i
ts4ib
us4ibq
vs4i
ws4ib