nurt[7], sutr[7], tuss[7],
nut[6], rut[6], tur[6], stu[6], ust[6], nur[5], run[5], urn[5], snu[5], rus[5], sur[5], sus[5], wun[5], suw[5], tss[4],
tu[5], ut[5], nu[4], su[4], wu[4], ts[3],
