isku[7], kusi[7], siku[7], skui[7], suki[7], wisu[6],
suk[6], siu[5], suw[5], iks[4], isk[4], ksi[4], sik[4], ski[4], kwi[4], siw[3], wis[3], wsi[3],
ku[5], su[4], wu[4], ki[3], si[2], iw[2],
