b-roll bbbbbb blough blubbo blublu bo-hoo bogoro bolbol bolbro bolgur bolhur bolobo bologo bololo bolugh booboo boohoo borbor borogo bororo borugh boubou bougou boulou bourgh bourou brohug broogh brough brubru bububu bugbug bugull buholo bulbo- bulbul bulgur bullou bulolo burbur burgoo burgor burgul burhou burolo globo- gobbur gogoro gollob gollub gollur googol googoo googul gooroo gorgol gorgor gourou grogol grough grugru grullo gubgub guggol guggul gulgul gurbru gurugu h-hour hoblob hogoro hohloh hohoho holhol holloo holoor holour hoohoo hooroo horgr hororo horror hubbub hububb huh-uh hulgur hulloo hullur huluhu huoguo hurroo l-hour lloro lobogo lobolo loburg lolobo loloru lolugu loobgg looloo lougou loulou lourlo lubbor lugogo lugulu luguru lurulu obourg ohohoh oohooh oooooo orobol orrho- orrour rhogog roblog robo-g robolo rogolo roogoo rubro- rugolo ruhroh ruurlo ugurlu uh-huh ulloor urgull urhobo urughu