ironii[6],
ironu[7], ruino[7], uroni[7], norii[5],
unii[6], unio[6], inru[6], ruin[6], runi[6], uroi[6], runo[6], urno[6], inii[4], inio[4], inro[4], iron[4], nori[4], orni[4], roni[4],
rui[5], nur[5], run[5], urn[5], oru[5], iii[3], ino[3], oni[3], inr[3], roi[3], nor[3],
nu[4], ii[2], in[2], ni[2], no[2], on[2], or[2], ro[2],
