hebd[9], bibo[8], bied[7], bido[7], obie[6], ideo[5],
bib[7], bob[7], bid[6], bod[6], boi[5], obi[5], hoi[5], deo[4], ode[4], doi[4], ido[4],
be[4], eh[4], he[4], bi[4], hi[4], bo[4], ho[4], oh[4], de[3], id[3], do[3], od[3], eo[2],
