efem[9], ferm[9], fere[8], free[8], sfer[8], herm[7], erem[5], esem[5], eser[4],
fee[7], ref[7], fes[7], hem[6], ehe[5], her[5], hes[5], mee[4], mer[4], rem[4], mes[4], sem[4], ser[3],
ef[6], fe[6], hm[5], eh[4], he[4], em[3], me[3], ee[2], er[2], re[2], es[2], se[2],
