efem[9], ferm[9], fere[8], free[8], reje[6], erem[5],
fee[7], ref[7], jem[6], mej[6], jer[5], rej[5], mee[4], mer[4], rem[4],
ef[6], fe[6], ej[4], je[4], em[3], me[3], ee[2], er[2], re[2],
