bbbbbbb biblio- billibi billiri billpur bilobol biobio biribol bobbili boil-up bolboli bolillo boo-boo boolpur borobul borriol boublil bouilli bourrou brobill bullpup burrill buruuli ibiblio iluppur ipo-ipo libpolo lolipop lolpoop looroll lulibub lullubi luripup oroboro oropioi pil-pil pillour pip-pip pip-pop pipiolo pirillo polillo poo-poo porullo pouroil priboiu priporu propio- proprio pui-pui pulibor pull-up purpour purulo- riolobo rippill robiboo robopop roll-up roppolo rubbour ububboo uriburu