acre[7], arie[4], rare[4], irre[4],
ixe[10], rex[10], car[6], cer[6], eia[3], are[3], air[3], rai[3], ire[3], rar[3], irr[3],
ex[9], ix[9], xi[9], ai[2], ei[2], ar[2], er[2], re[2],
