d-rod ddddd dhuhr do-do dodoo dodro doggo doodo doogh dorog dorud dough douro drog- drogh drogo drood droog droug drouh drugu duddo dudou duruh ghour go-go go-oo goddo godor gogro gohog gohor gohur goodg goodo goooh goord gordo gorgo gorod goruh gough gourd grgur grodd grogg grood groud grrrr guddu gudur guroo gurro gurur hhhhh hhour ho-ho ho-oh hoddu hodhr hodod hodur hoord horod horro horru hough hourd hu-go hudud hudur huggo huhuh huuru o-dog oddur odour odudu oduro oghur ogogo ogugu oh-oh ohgod ohour ooooh ooooo ordro orodo orrgo oruro ouoro rhod- rhodo ro-ro rodor rogho rohod rohru roodu rough rughh u-god ugro- ugrug uh-oh uh-uh uhdoh uhhoh uhhuh uhuru urdog urour uuuuu