efeb[10], efem[9], bebe[8], bece[7], emce[6], wece[5],
fee[7], bee[5], web[5], mee[4], cew[4], mew[4], ewe[3],
ef[6], fe[6], be[4], ce[3], em[3], me[3], ee[2], ew[2], we[2],
