kuka[8], kuki[8], koku[8], yuko[8], ukoi[7], kaik[6], kaki[6], koka[6], koki[6], okay[6], akio[5],
kuk[7], kyu[7], oku[6], kok[5], kia[4], oka[4], kio[4], koi[4],
ku[5], au[4], ka[3], ki[3], ko[3], ok[3],
