d-rod ddddd dhond dhoon dhuhr dhund dhunn do-do dodon dodoo dodro dofor doggo dogof dogon dohrn dondo donho donon donor doodo doogh doong doorn dorff dorno dorog doron dorud doufu dough doung douro droff drog- drogh drogo drong drood droof droog droon droug drouh droun drugu drung duddo dudon dudou dufur dugon duhon dundo dungu dunno dunod dunun duong durno duron duruh fnord fodor foggo fogou fondo fondu foord ford- fordo forgo forno forro forud foruh forur fough fougo found fourd fourg fourh fouro frodo frogn frond frood frorn froud frugo fu-fu fuddu fudog fudoh fugro fugug fund- fundo fundu fungo fuorn furo- furor furud fuudo ghoff ghour gnoff gnogh gnrhr gnuff gnugo go-go go-on go-oo goddo godno godon godor gofor gogon gogro gohog gohor gohur gondo gonff gongo gonnn gonno gono- gonof goodg goodo gooff goong goooh goord gordo gorgo gorno gorod goruh gorun gough gound goung gounn gourd grgdn grgur grodd groff grogg grond grong grono grood groof groon groud grouf groun grrrr gruff grund guddu gudur gundu gungu gunnr guroo gurro gurun gurur h-gun hhhhh hhour ho-ho ho-oh hoddu hodhr hodod hodur hofn hofuf hogon hogun hondo hongg hongu honno honor honud hoond hoong hoord hoorn horno horod horon horro horru houff hough hound hourd hu-go hudud hudur huggo huhuh hungu huorn huron huuru ndogo ndour nduru ngfor ngong ngoro ngudu ngugu nguru nnooo no-do no-go no-no nodof noduh nofor nofou nofun nogod nohno nohor non-u nondo nonno nonoh noonu noord nordo noron norro norun nroff nu-nu nudur nughu nuhuh nunon nunun nuoro nurun o-dog oddur odour odudu oduro ofdog offof offon offun ofgod ofnod ofono oforn ofour oghur ognon ogogo ogron ogugu oh-oh ohfoo ohfun ohgod ohorn ohour ongod ongon ongud onoff onond onoon onorn onour ooooh ooooo ordon ordro orfor orgon orgun ornon orodo orono orrgo oruro oudon ouoro ourno rhod- rhodo rhoon ro-ro rodon rodor rofor rogho rogno rohff rohod rohru rohun rondo rongo rongu ronno roodu roond roong rough round roung rudno ruffo rufo- rughh ruhnu rundu rungu runo- runof runon u-god ufofu ufund ugoff ugong ugro- ugrug uh-oh uh-uh uhdoh uhhoh uhhuh uhuru un-go undog undug undun undur unfun unfur ungod ungon ungud ungur unhug unnun unnur unoor unorn unrug unruh unrun unurn urdog urgun urour uuuuu