kobo[7], obok[7], boks[7], bosy[7], boso[6], kosy[6], koso[5], osok[5],
byk[7], bok[6], boy[6], oby[6], syk[5], oko[4], kos[4], sok[4], osy[4], oso[3],
by[5], bo[4], ko[3], ok[3], os[2],
