blef[11], efeb[10], bebe[8], bele[7], hele[7], lesb[7],
elf[8], fee[7], fes[7], bel[6], ble[6], hel[6], bee[5], ehe[5], hes[5], lee[4],
ef[6], fe[6], be[4], eh[4], he[4], el[3], ee[2], es[2], se[2],
