psui[7], siup[7], piwu[7], wisu[6], wpis[5],
piu[6], psu[6], spu[6], siu[5], suw[5], psi[4], piw[4], siw[3], wis[3], wsi[3],
su[4], wu[4], pi[3], si[2], iw[2],
