nerek[6], kerze[6], nerze[5],
erek[5], krez[5], krze[5], rzek[5], erze[4],
kek[5], ker[4], rek[4], zek[4], ner[3], ren[3], zen[3], zer[3],
ee[2], en[2], er[2], re[2], ez[2], ze[2],
