psui[7], siup[7], piwu[7], rusi[6], wiru[6], wisu[6], pirs[5], wpis[5],
piu[6], psu[6], spu[6], rui[5], siu[5], rus[5], sur[5], suw[5], psi[4], piw[4], sir[3], wir[3], siw[3], wis[3], wsi[3],
su[4], wu[4], pi[3], si[2], iw[2],
