alka[6], kala[6], laka[6], walk[6], kawa[5], awal[5], lawa[5], wala[5],
alk[5], kal[5], lak[5], ala[4], kaw[4], kwa[4], law[4], lwa[4], wal[4],
ka[3], al[3], la[3], aa[2],