bbbbbbb bi-tri- biobio bioroid bobbitt boo-boo boobird di-iod- di-tri- diiodo- diritto dob-dob dobi-ii dobrodo dod-rot doo-doo doridid dortoir ididtoo idoodit iridio- iridoid iro-bot itororo oddbird oidioid orbito- oroboro otoitid ottrott ridotto riitiir riodoro riotord robiboo robotti rootrot rotoiti tibbitt tid-bit tit-bit toi-toi too-too torbido toritto torroid tototoo tottori triboro tribrid triiodo tro-tro