refu[10], druh[9], erhu[8], rude[7], puer[7], repu[7],
huf[11], pfu[10], puf[10], fru[9], fur[9], ruf[9], pfe[8], duh[8], phu[8], puh[8], ref[7], dup[7], pud[7], hep[6], edu[6], ued[6], dur[6], rud[6], urd[6], her[5], der[4], red[4], per[4], rep[4],
fu[8], uf[8], ef[6], fe[6], hu[6], ud[5], eh[4], he[4], de[3], pe[3], er[2], re[2],
