fen[7], nef[7], ref[7], ceł[6], gen[5], erg[5], cen[4], cne[4], den[4], end[4], cer[4], der[4], red[4], ner[3], ren[3],
ef[6], fe[6], eł[4], ce[3], de[3], en[2], er[2], re[2],
