d-dot d-rod ddddd dhoot dhuhr do-do dodoo dodro doggo doght doodo doogh dooth doout dordt dorog dorot dorth dorud dotoo dotto dough douro douth drog- drogh drogo drood droog drott droug drouh drout drugu dtour duddo dudou durtu duruh ghour go-go go-oo go-to goddo godor godot goght gogro gohog gohor gohur goodg goodo goooh goord goout gordo gorgo gorod goruh gotoh gotoo gotor gotto gotur gough gourd grgur grodd grodt grogg grood groot groth grott groud grout grrrr gruut gtrot guddu gudur guroo gurro gurth gurur guthu hgttg hhhhh hhour hhtdd ho-ho ho-oh hoddu hodhr hodod hodur hohot hoord hoort hordt horod horro horru hortd horth horto hothr hotot hotto hough hourd houtu hthrt hu-go hudud hudur huggo huhuh hurtt hurtu hutor hutto huttu huuru o-dog oddur odour odudu oduro oghur ogogo ogugu oh-oh ohgod ohour ohrot ooooh ooooo ordro orodo orout orrgo orth- ortho ortoo oruro orutu othou othur ototo otour ottur ought ouoro outdo outgo outro outto rhod- rhodo ro-ro rodor rogho roght rohod rohru roodu rotho roto- rotor rotot rotto rough routh routt rughh rught ruthu rutog ruuth ruutu t-dog thogh thoro thorr thort thoru thoth thour thout throd throo throt throu thurd thurt thuru to-do to-go to-ho todor toght togou tohot toogh toord tooth tordu torgo torht torog torro torto tortu torud toto- totoo tough tougu touho tourd touro trhdr trogh trood troth trott trout trudo trugg trugo truro truth ttttt tudor tudou tudur tugou tuhog tuotu turgo turot turro turtu turut tutor tutto tuuru u-god ugro- ugrug uh-oh uh-uh uhdoh uhhoh uhhuh uhuru urdog urgut urour urutu utro- utror uttur uturu ututo uuuuu