eonu[6], renu[6], uren[6], euro[6], runo[6], urno[6], oere[4], nero[4], orne[4],
nur[5], run[5], urn[5], oru[5], eon[3], one[3], ner[3], ren[3], ero[3], nor[3],
nu[4], ee[2], en[2], eo[2], no[2], on[2], er[2], re[2], or[2], ro[2],
