bebop[10], bibop[10], bobie[9],
biby[9], boby[9], bibo[8], boye[7], obie[6], opie[5],
bib[7], bob[7], boy[6], oby[6], boi[5], obi[5], opy[5], pie[4], poi[4],
by[5], be[4], bi[4], bo[4], pe[3], pi[3], op[3], po[3], eo[2],
