hydr[8], hery[7], dery[6], redy[6], desy[6], dres[5], sery[5],
hyr[6], her[5], hes[5], der[4], red[4], des[4], ery[4], esy[4], rys[4], ser[3],
eh[4], he[4], de[3], er[2], re[2], es[2], se[2],
