ferm[9], frez[8], merg[7], gzem[7], grze[6], mrze[5],
ref[7], fez[7], gem[6], erg[5], gez[5], mer[4], rem[4], zer[3],
ef[6], fe[6], em[3], me[3], er[2], re[2], ez[2], ze[2],
