owaka[6],
kawa[5], weka[5], kawo[5], owak[5], woka[5], weko[5],
oka[4], eko[4], kaw[4], kwa[4], wek[4], kwo[4], wok[4], ewa[3], owa[3], ewo[3], owe[3], wow[3],
ka[3], ko[3], ok[3], aa[2], eo[2], ew[2], we[2],
