bibo[8], bobo[8], hobo[8], oboi[6], bioz[6], bizo[6], bozi[6], izbo[6], ozoi[4],
bib[7], bob[7], boi[5], obi[5], hoi[5], oho[5], biz[5], izb[5], zoo[3],
bi[4], hi[4], bo[4], ho[4], oh[4], oz[2],
