blef[11], efeb[10], elfo[9], fole[9], folo[9], bele[7], belo[7], bole[7], ebol[7], oble[7], bolo[7], lobo[7], obol[7],
fob[9], elf[8], fol[8], fee[7], efo[7], bel[6], ble[6], bol[6], lob[6], bee[5], lee[4], ole[4],
ef[6], fe[6], be[4], bo[4], el[3], ee[2], eo[2],
