fenek[10], genre[7], nerek[6],
fere[8], free[8], geek[7], grek[7], gren[6], negr[6], reng[6], erek[5],
fee[7], fen[7], nef[7], ref[7], keg[6], gen[5], erg[5], ker[4], rek[4], ner[3], ren[3],
ef[6], fe[6], ee[2], en[2], er[2], re[2],
