bbbbbbb bi-tri- biblio- billibi billiri bilobol biobio biotork biribol birkoor bittill bobbili bobbitt bok-bok bolboli bolillo bollito boo-boo boobook borriol botillo britlit britoil brobill brotill ibiblio iririki iro-bot itororo kibibit killbit killbot kilobit kilobot kilroot kitirik kittool kobroor koi-koi kolibri kolobok kolokol kolorit kor-kor korkoro kotkoti kottoor kri-kri kritiri libtool liktori lilikoi litobor looroll obikiik ollokot oltroto orbito- oriki oroboro orokolo ottrott ribitol riitiir riolobo robiboo robotti rokitki rooibok rootkit rootrot rotoiti tibbitt tiirloo tik-tok tiriolo tirrill tit-bit to-look toi-toi tokobot tol-lol too-too tookill tookioo toolbit toolkit torbook torilto toritto tortill tortkol tortoli tototoo tottori tribill triboro trikiti trillil triobol triollo tro-tro