oktoz[7],
koty[7], tyko[7], koto[6], otok[6], kozy[6], kozo[5],
tyk[6], kot[5], kto[5], tok[5], oko[4], oto[4], ozy[4], zoo[3],
ty[4], ko[3], ok[3], ot[3], to[3], oz[2],
