bbbbbbb biblio- bilimbi billibi billiri bilobol bim-bom biobio biribol bobbili bolboli bolillo bombill bombolo bombpop boo-boo boromir borriol brobill bromoil ibiblio ilomilo imbroil ipo-ipo libpolo limboor limpopo lipombo lolipop lolpoop looroll lorimor mbololo milomir mirimli mirrool mobimii moo-moo morillo moriori morrill oilboom oroboro oropioi pil-pil pip-pip pip-pop pipiolo pirillo polillo polirom pom-pom pommill pomolio pompoir poo-poo primpol propio- proprio rimbomb riolobo rippill robiboo roblimo robopop rollmop roppolo