nerze[5], serze[5],
fere[8], free[8], sfen[8], sfer[8], frez[8], szef[8], eser[4], erze[4], szer[4],
fee[7], fen[7], nef[7], ref[7], fes[7], fez[7], ner[3], ren[3], sen[3], ser[3], zen[3], zer[3],
ef[6], fe[6], ee[2], en[2], er[2], re[2], es[2], se[2], ez[2], ze[2],
