bbbee bbook bebek bebot beebe beeke beete bekke bekko bekok beote betee betke betoo bett- bette betto bo-bo bobek bobet bobko bobok boeke bokeo boket bokko bokok booke booko botet botok botte ebbet ebeko ebook eeeee ekeko eteke etete etoko k-t-b kebbe kebek kebob ketek keto- kette ketto ko-ko kobee koket kokko kokot kotto obbet obete obote okeke oketo okobo ooooo ototo tbtbt tebet teeko teket tekke tekko tette to-be tobbe tobet tobot toeto tokke tokko toko- toobe tooke toto- totoe totok totoo totte tteok ttttt