bigos[9], biosy[8], bysio[8],
bigo[8], bogi[8], bisy[7], bosy[7], bios[6], bosi[6],
big[7], gib[7], boy[6], oby[6], boi[5], obi[5], goi[5], ogi[5], bis[5], gis[5], osy[4], osi[3], sio[3], soi[3],
by[5], bi[4], bo[4], go[4], si[2], os[2],
