akio[5], kazi[5], koza[5], okaz[5], kozi[5], kozo[5], oazo[4], ozoi[4],
kia[4], oka[4], kio[4], koi[4], oko[4], oaz[3], zoo[3],
ka[3], ki[3], ko[3], ok[3], za[2], oz[2],
