refem[10], fermi[10], ferie[9], refie[9], remie[6],
efem[9], ferm[9], firm[9], efie[8], fere[8], free[8], efir[8], erem[5], emir[5], remi[5],
fee[7], ref[7], mee[4], mer[4], rem[4], mir[4], rei[3],
ef[6], fe[6], fi[6], em[3], me[3], im[3], mi[3], ee[2], er[2], re[2],
