fobie[11], bobie[9],
efeb[10], bebe[8], efie[8], bibo[8], obie[6],
fob[9], fee[7], bib[7], bob[7], efo[7], bee[5], boi[5], obi[5],
ef[6], fe[6], fi[6], be[4], bi[4], bo[4], ee[2], eo[2],
