koka[6], koko[6], zeka[5], koza[5], okaz[5], kozo[5], oazo[4],
kek[5], kok[5], oka[4], eko[4], oko[4], zek[4], eza[3], oaz[3], ezo[3], zoo[3],
ka[3], ko[3], ok[3], eo[2], za[2], ez[2], ze[2], oz[2],
