keders[9], erkers[9], reeder[6], resede[6],
keder[8], erker[8], keese[8], reede[5], derer[5],
kees[7], erde[4], rede[4],
der[3], erd[3], red[3], ree[3], des[3], see[3], ers[3], res[3],
er[2], re[2], es[2],
