kokon[7], ozony[6],
koko[6], kozy[6], okno[5], kozo[5], zony[5], ozon[4], zono[4],
kok[5], nok[4], oko[4], ozy[4], ono[3], zon[3], zoo[3],
ko[3], ok[3], ny[3], no[2], on[2], oz[2],
