0t1dva
1t1d
2t1dv
3t1dva
4t1d
pk2d
qk2dv
rk2dva
sk2d
tk2dv
eb3dv
fb3dva
gb3d
hb3dv
ib3dva
313dva
413d
513dv
613dva
713d
ss4d
ts4dv
us4dva
vs4d
ws4dv