ferm[9], sfen[8], sfer[8], mens[5], snem[5],
fen[7], nef[7], ref[7], fes[7], men[4], nem[4], mer[4], rem[4], mes[4], sem[4], ner[3], ren[3], sen[3], ser[3],
ef[6], fe[6], em[3], me[3], en[2], er[2], re[2], es[2], se[2],
