noor[6], soor[6], soso[6], ross[5], sous[5], usos[5], runs[4], nuss[4], russ[4],
ons[4], sou[4], uso[4], nur[3], run[3], uns[3], rus[3], sur[3], urs[3],
on[3], os[3], so[3], nu[2], ur[2],
