ferm[9], frez[8], merc[6], mecz[6], rzec[5], mrze[5], rzez[4],
ref[7], fez[7], cer[4], mer[4], rem[4], cez[4], cze[4], zer[3], zez[3],
ef[6], fe[6], ce[3], em[3], me[3], er[2], re[2], ez[2], ze[2],
