bobiki[11], obibok[11],
bibki[10], bibko[10], bobik[10], bobki[10], kobii[8], kobio[8],
bibo[8], bobo[8], boki[7], kobo[7], obok[7], oboi[6],
bib[7], bob[7], bok[6], boi[5], obi[5], kii[4], kio[4], koi[4], oko[4],
bi[4], bo[4], ki[3], ko[3], ok[3], ii[2],
