fobie[11], biedo[8], dobie[8],
efeb[10], efod[9], efie[8], bied[7], bido[7], obie[6], idee[5], ideo[5],
fob[9], fee[7], efo[7], bid[6], bod[6], bee[5], boi[5], obi[5], deo[4], ode[4], doi[4], ido[4],
ef[6], fe[6], fi[6], be[4], bi[4], bo[4], de[3], id[3], do[3], od[3], ee[2], eo[2],
