kerb[9], berg[7], gerb[7], begs[7], derb[6], ergs[5], gers[5],
beg[6], geb[6], erb[5], erg[4], ger[4], reg[4], ges[4], der[3], erd[3], red[3], des[3], ers[3], res[3],
er[2], re[2], es[2],
