foby[11], foko[9], fony[9], fono[8], kobo[7], obok[7], bony[7], bono[6], obon[6], okno[5],
fob[9], fok[8], fon[7], byk[7], bok[6], boy[6], oby[6], bon[5], nok[4], oko[4], ono[3],
by[5], bo[4], ko[3], ok[3], ny[3], no[2], on[2],
