bhoot bhour bo-bo bo-ho bobr boght bogor bogot bogu bogur bogut bohor bohot boort booru booth borbo borgh borgo borgu boro- boroo borot borou borro borth borut botou botro bottu bough bourg bouth bouto brobo brogh broth broto brout brrrr brugg brugh btr-t bught bugoo buoho burgh burgo burgu buroo burro burru burtt burut buto- butoh butor butot butou butuo butut ghour ghubb go-go go-oo go-to gobbo gobot goght gogro gohog gohor gohur goobo goooh goout gorgo goruh gotoh gotoo gotor gotto gotur gough grgur grogg groot groth grott grout grrrr grubb gruut gtrot gubbo gubru guroo gurro gurth gurur guthu hbogo hgttg hhhhh hhour ho-ho ho-oh hobor hobro hobub hohot hoort horro horru horth horto hothr hotot hotto hough houtu hthrt hu-go hubur huggo huhuh hurtt hurtu hutor hutto huttu huuru o-r-b obhor oboro oboth obout oghur ogogo ogugu oh-oh ohbot ohour ohrob ohrot ooooh ooooo orbot orobo orout orrgo orth- ortho ortoo oruro orutu othou othur ototo otour ottur oubut ought ouoro outgo outro outto ro-ro robbo robo- robor robot robrt robur rogho roght rohob rohru rorbu rotho roto- rotor rotot rotto roubt rough routh routt rubor rughh rught ruhub ruthu rutog ruuth ruutu t-hub tbtbt tbutt thogh thoro thorr thort thoru thoth thour thout throb throo throt throu thrub thurt thuru to-go to-ho tobog tobor tobot tobou toght togou tohot toogh tooth torgo torht torob torog torro torto tortu toto- totoo tough tougu touho touro trogh troth trott trout trubu trugg trugo truro truth ttttt tubo- tubog tubou tugou tuhog tuotu turbo turbt turgo turot turro turtu turut tutor tutto tuuru ubobo ugro- ugrug uh-oh uh-uh uhhoh uhhuh uhuru urgut uroob urour urubu urutu utro- utror uttur uturu ututo uuuuu