beko[7], kobo[7], obok[7], beks[7], boks[7], boye[7], bosy[7], bose[6], boso[6], okey[6], kosy[6], esko[5], kose[5], koso[5], osok[5],
byk[7], bek[6], bok[6], boy[6], oby[6], syk[5], eko[4], oko[4], eks[4], kos[4], sok[4], esy[4], osy[4], oso[3],
by[5], be[4], bo[4], ko[3], ok[3], eo[2], es[2], se[2], os[2],
