bibop[10], obici[8], opici[7],
bibo[8], bobo[8], bici[7], obco[7], oboi[6], pici[6], cipo[6], pico[6], poci[6], poco[6],
bib[7], bob[7], cob[6], boi[5], obi[5], cip[5], pic[5], poi[4],
bi[4], bo[4], ci[3], co[3], pi[3], op[3], po[3], ii[2],
