czek[6], kecz[6], rzec[5], krez[5], krze[5], rzek[5],
cek[5], cen[4], cne[4], cer[4], ker[4], rek[4], cez[4], cze[4], zek[4], ner[3], ren[3], zen[3], zer[3],
ce[3], en[2], er[2], re[2], ez[2], ze[2],
