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bo-bo bobr bombo boomb booru borbo bormo boro- borom boroo borou borro borum borzu bozoo bozum brmmm brobo brom- bromo broom brrrr brumm bruzz bumbo bumbu buroo buroz burro burru buzzr mboro mburu mmmmm mobor mobro mombo mombu mooro morbo mormo moror morou moroz morro morum mozzo mrmom mrorr mumbo mummu murom muror murro murru murum murz murzo muzur mzuzu o-r-b oboro obrom obzor omoro ooooo orbom ormoz ormur orobo oromo orrum oruro ouoro ozoro ozumo ro-ro robbo robo- robor robur roomu rorbu roumm rubor rumbo rummo rummu rumor ruomu ubobo umbro umour urmuz uroob urour urroz urubu uuuuu zombo zorbo zorro zu-zu zumbo zzoom zzzzz

b-room bbbbbb bombom bombur booboo boom-o borbor boromo bororo boubou bourou bozoum bozzom bozzum bromo- brubru bububu bumboo burbur burzum mbombo mbomou mommur moomoo mormor mormur mourou murmur muumuu ombro- omzoor oooooo oromoo orrour ouzoum robomb romour rubro- rubrum rumbur rumour ubombo zombor zoombu zoomoo zooomr zoozoo zorzor zouzou

bbbbbbb bommuru boo-boo bourrou moo-moo morozzo morrum moruzzo moumour muu-muu oroboro oubombo rozborz rubbour ububboo zoobomb zou-zou

bbbbbbbb bo-bo-bo boomboom boomburb broubrou buruburu buzzbomb buzzbuzz mbumburu murumuru ubbubboo zoomburb zoomzoom zuzzurro

boom-boom borborbor bouzourou buzz-bomb oromoromo

rumorrumor

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buzz-buzz-buzz zoom-zoom-zoom

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