arena[5], arian[5], naira[5], narai[5], ranie[5], renie[5],
aria[4], arie[4], arna[4], rana[4], aren[4], nera[4], rena[4], arni[4], inra[4], nair[4], rani[4],
ana[3], ani[3], nie[3], ara[3], era[3], rea[3], air[3], rai[3], rei[3], nar[3], ran[3], ner[3], ren[3], inr[3],
aa[2], ee[2], na[2], en[2], in[2], ni[2], ar[2], er[2], re[2],