boby[9], bzyk[8], bony[7], kobz[7], kozy[6], zony[5],
bob[7], byk[7], bok[6], boy[6], oby[6], bzy[6], bon[5], nok[4], ozy[4], zon[3],
by[5], bo[4], ko[3], ok[3], ny[3], no[2], on[2], oz[2],
