efeb[10], efem[9], efie[8], bied[7], dmie[6], idem[6], idee[5],
fee[7], bid[6], bim[6], bee[5], dem[5], dim[5], mee[4],
ef[6], fe[6], fi[6], be[4], bi[4], de[3], id[3], em[3], me[3], im[3], mi[3], ee[2],
