okay[6], okey[6], kozy[6], zeka[5], koza[5], okaz[5], oazy[5], oaza[4],
oka[4], eko[4], zek[4], ezy[4], ozy[4], eza[3], oaz[3], ezo[3],
ka[3], ko[3], ok[3], aa[2], ee[2], eo[2], za[2], ez[2], ze[2], oz[2],
