fere[8], free[8], sfer[8], hele[7], redl[6], dres[5], rels[5], eser[4],
elf[8], fee[7], ref[7], fes[7], hel[6], ehe[5], her[5], hes[5], lee[4], der[4], red[4], des[4], ser[3],
ef[6], fe[6], eh[4], he[4], de[3], el[3], ee[2], er[2], re[2], es[2], se[2],