aren[4], nera[4], rena[4], anse[4], sena[4], sera[4], sarn[4],
era[3], rea[3], nar[3], ran[3], ner[3], ren[3], ans[3], nas[3], san[3], sen[3], ars[3], ras[3], sra[3], ser[3],
na[2], en[2], ar[2], er[2], re[2], as[2], es[2], se[2],
