ferm[9], sfer[8], merg[7], merc[6], gres[6], serc[5],
ref[7], fes[7], gem[6], erg[5], ges[5], cer[4], mer[4], rem[4], ces[4], mes[4], sem[4], ser[3],
ef[6], fe[6], ce[3], em[3], me[3], er[2], re[2], es[2], se[2],
