koko[6], kwok[6], okno[5], woko[5], kozo[5], nowo[4], ozon[4], zono[4],
kok[5], nok[4], oko[4], kwo[4], wok[4], ono[3], won[3], owo[3], zon[3], zoo[3],
ko[3], ok[3], no[2], on[2], oz[2],
