fere[8], free[8], sfen[8], sfer[8], henn[6], henr[6], eser[4],
fee[7], fen[7], nef[7], ref[7], fes[7], ehe[5], hen[5], her[5], hes[5], ner[3], ren[3], sen[3], ser[3],
ef[6], fe[6], eh[4], he[4], ee[2], en[2], er[2], re[2], es[2], se[2],
