feler[10], perle[7], neper[6], pener[6],
flep[10], fere[8], free[8], pele[6], lepr[6], perl[6], nerp[5],
elf[8], pfe[8], fee[7], fen[7], nef[7], ref[7], lep[5], pel[5], ple[5], lee[4], len[4], nep[4], pen[4], per[4], rep[4], ner[3], ren[3],
ef[6], fe[6], el[3], pe[3], ee[2], en[2], er[2], re[2],
