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bo-bo bobr booru borbo boro- boroo borou borro borzu bozoo brobo brrrr bruzz buroo burro burru buzzr o-r-b oboro obzor ooooo orobo oruro ouoro ozoro ro-ro robbo robo- robor robur rorbu rubor ubobo uroob urour urroz urubu uuuuu zorbo zorro zu-zu zzzzz

bbbbbb booboo borbor bororo boubou bourou brubru bububu burbur oooooo orrour rubro- zoozoo zorzor zouzou

bbbbbbb boo-boo bourrou oroboro rozborz rubbour ububboo zou-zou

bbbbbbbb bo-bo-bo broubrou buruburu buzzbuzz ubbubboo zuzzurro

borborbor bouzourou

buzzbuzzbuzz

buzz-buzz-buzz

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