fenek[10], nerek[6], rener[5],
fere[8], free[8], erek[5],
fee[7], fen[7], nef[7], ref[7], frr[7], ker[4], rek[4], ner[3], ren[3],
ef[6], fe[6], ee[2], en[2], er[2], re[2],
