oku[6], kii[4], kio[4], koi[4], oko[4], kwi[4], kwo[4], wok[4], iii[3], wii[3], iwo[3], owi[3], wio[3], owo[3],
ku[5], wu[4], ki[3], ko[3], ok[3], ii[2], iw[2],