bibop[10], obabi[9],
abby[9], baby[9], biby[9], boby[9], babi[8], biba[8], abbo[8], babo[8], boba[8], obab[8], bibo[8], bobo[8], boya[7], oboi[6], opia[5],
bab[7], bib[7], bob[7], aby[6], boy[6], oby[6], bai[5], abo[5], boa[5], oba[5], boi[5], obi[5], opy[5], pai[4], pia[4], poi[4],
by[5], ba[4], bi[4], bo[4], pa[3], pi[3], op[3], po[3],
