efeb[10], febr[10], fere[8], free[8], rebe[6], brew[6], gwer[6],
fee[7], beg[7], ref[7], łeb[7], bee[5], ber[5], erb[5], reb[5], erg[5], web[5], ewe[3], rew[3], wre[3],
ef[6], fe[6], be[4], eł[4], ee[2], er[2], re[2], ew[2], we[2],
