3t1bt4
4t1b
5t1bt
6t1bt4
7t1b
sk2b
tk2bt
uk2bt4
vk2b
wk2bt
hb3bt
ib3bt4
jb3b
kb3bt
lb3bt4
613bt4
713b
813bt
913bt4
a23b
vs4b
ws4bt
xs4bt4
ys4b
zs4bt