fen[7], nef[7], ref[7], fez[7], łez[5], zeł[5], złe[5], ner[3], ren[3], wen[3], rew[3], wre[3], zen[3], zer[3], zew[3],
ef[6], fe[6], eł[4], en[2], er[2], re[2], ew[2], we[2], ez[2], ze[2],
