derą[9], redą[9], dewą[9], rewą[8], drew[5],
efą[11], drą[8], ref[7], erą[7], ewą[7], rwą[7], wrą[7], der[4], red[4], rew[3], wre[3],
ef[6], fe[6], de[3], er[2], re[2], ew[2], we[2],
