ranę[8], nerę[8], arna[4], rana[4], aren[4], nera[4], rena[4],
arę[7], erę[7], aaa[3], ana[3], ara[3], era[3], rea[3], nar[3], ran[3], ner[3], ren[3],
aa[2], na[2], en[2], ar[2], er[2], re[2],
