druh[9], erhu[8], rude[7], idei[5], dier[5],
duh[8], edu[6], ued[6], idu[6], dur[6], rud[6], urd[6], her[5], rui[5], der[4], red[4], rei[3],
hu[6], ud[5], eh[4], he[4], hi[4], de[3], id[3], ii[2], er[2], re[2],
