biby[9], boby[9], begi[8], bieg[8], bibo[8], bigo[8], bogi[8], boye[7], obie[6],
beg[7], bib[7], big[7], gib[7], bob[7], boy[6], oby[6], gie[5], ego[5], boi[5], obi[5], goi[5], ogi[5],
by[5], be[4], bi[4], bo[4], go[4], eo[2],
