faen[8], fena[8], afer[8], aren[4], nera[4], rena[4],
efa[7], fan[7], fen[7], nef[7], arf[7], far[7], raf[7], ref[7], era[3], rea[3], nar[3], ran[3], ner[3], ren[3],
fa[6], ef[6], fe[6], na[2], en[2], ar[2], er[2], re[2],
