bdoor bdort bo-bo bobr bodd- bodog bodor bogor bogot bogu bogud bogur bogut boord boort booru borbo bordo borgo borgu boro- borod boroo borot borou borro borut botou botro bottu boudu bourd bourg bouto brobo brodd brodo brood broto broud brout brrrr brud- brugg btr-d btr-t buddu budur bugoo buord burgo burgu buroo burro burru burtt burud burut butdo buto- butor butot butou butuo butut d-dot d-rod ddddd do-do dobro dodoo dodro dogbo doggo doodo doout dordt dorog dorot dorud dotoo dotto doubt douro drbob drobo drog- drogo drood droog drott droug drout drugu dtour dubbo duddo dudou durtu go-go go-oo go-to gobbo gobot goddo godor godot gogro goobo goodg goodo goord goout gordo gorgo gorod gotoo gotor gotto gotur gourd grgur grodd grodt grogg grood groot grott groud grout grrrr grubb gruut gtrot gubbo gubru guddu gudur guroo gurro gurur o-dog o-r-b obodo oboro obout obudu oddur odour odudu oduro ogogo ogugu ooooo orbot ordro orobo orodo orout orrgo ortoo oruro orutu ototo otour ottur oubut ouoro outdo outgo outro outto ro-ro robbo robo- robor robot robrt robur rodbo rodor roodu rorbu roto- rotor rotot rotto roubt routt rubor rutog ruutu t-dog tbtbt tbutt to-do to-go tobog tobor tobot tobou todor togou toord tordu torgo torob torog torro torto tortu torud toto- totoo tougu tourd touro trood trott trout trubu trudo trugg trugo truro ttttt tubo- tubod tubog tubou tudor tudou tudur tugou tuotu turbo turbt turgo turot turro turtu turut tutor tutto tuuru u-dub u-god ubobo ugro- ugrug urdog urgut uroob urour urubu urutu utrdb utro- utror uttur uturu ututo uuuuu