ferm[9], frez[8], merc[6], krem[6], merk[6], czek[6], kecz[6], mecz[6], rzec[5], krez[5], krze[5], rzek[5], mrze[5],
ref[7], fez[7], cek[5], kem[5], cer[4], ker[4], rek[4], mer[4], rem[4], cez[4], cze[4], zek[4], zer[3],
ef[6], fe[6], ce[3], em[3], me[3], er[2], re[2], ez[2], ze[2],
