kozie[6], ozeki[6],
zeki[5], kozi[5], kozo[5], ozie[4], ozoi[4],
kei[4], kie[4], eko[4], kio[4], koi[4], oko[4], zek[4], ezo[3], zoo[3],
ki[3], ko[3], ok[3], eo[2], ez[2], ze[2], oz[2],
