efeb[10], efem[9], esem[5],
fee[7], fes[7], hem[6], bee[5], ehe[5], hes[5], mee[4], mes[4], sem[4],
ef[6], fe[6], hm[5], be[4], eh[4], he[4], em[3], me[3], ee[2], es[2], se[2],
