feruł[13], frezu[11], furze[11], rurze[7],
refu[10], fezu[10], fere[8], free[8], frez[8], zeru[6], erze[4],
fru[9], fur[9], ruf[9], fee[7], ref[7], frr[7], fez[7], łuz[7], złu[7], rur[5], łez[5], zeł[5], złe[5], zer[3],
fu[8], uf[8], ef[6], fe[6], eł[4], ee[2], er[2], re[2], ez[2], ze[2],
