refren[10],
rejce[8], nerce[6], rener[5],
fere[8], free[8], cnej[7], reje[6], erce[5],
fee[7], fen[7], nef[7], ref[7], frr[7], jen[5], jer[5], rej[5], cen[4], cne[4], cer[4], ner[3], ren[3],
ef[6], fe[6], ej[4], je[4], ce[3], ee[2], en[2], er[2], re[2],
