blef[11], felg[11], efeb[10], elfy[10], fyle[10], belg[9], gleb[9], byle[8], bele[7], glee[7],
elf[8], efy[8], fee[7], beg[7], bel[6], ble[6], leg[6], bee[5], lee[4],
ef[6], fe[6], by[5], be[4], el[3], ee[2],
