dounk doura douro draba draca drack draco draka drank drano drauk drbob droan drobo drock drona dronk drood drook droon drouk droun drunk du-ku duara dubac duban dubar dubau dubba dubbo dubna dubno dubon dubra dubuc ducor ducun dudan dudar duddo dudok dudon dudou dudua duduc duduk dukan dukku dukun dunan dunca dundo dunno dunod dunun duona durab durak duran durao durba durno duroc durok duron durra k-a-o k-b-d k-car k-rab k-rad k-rob kaaba kaabu kaadu kaanu kaaru kabaa kabab kabad kabak kaban kabar kabba kabob kabou kabro kabru kabua kabun kabur kacar kadan kadar kadod kadro kadru kadua kakan kakao kakar kakau kakka kakko kakku kaknu kako- kakod kakon kakra kakun kakur kanab kanad kanak kanda kandk kando kandu kanka kanku kanna kanno kannu kanon kanoo kanuk kanun kanuu kaona kaooa kaoru karad karak karan karbu karda kardo kardu karka karku karna karno karob karok karon karoo karud karuk karun karur kauan kauko kaura kauro kauru kbank kcand knack knark knarr knaur knock knoda knokk knork knorr knoud knuca knuck knurr ko-ko koara kobad koban kobar kobda kobra kobru kobuk kobun kocab kocak kocon kodad kodak kodar kodok kodra kodur kokab kokad kokak kokan kokka kokko kokna kokor kokou kokra kokur konak konan konar konbu konda kondo konka konna konno konnu konro konur kooba kooka koona koonu koord koorn kooru korab korak koran korba korbo korca korck korda korku korna korno koroa koron koror korra korro koruk korun kouba koudo kouka kouno koura kraak kraan kraar krack kraka krank krnka krnuo krock kroda krodo krona kronk kroon kroun krunk kruun kuaka kuara kubad kuban kubau kubba kubok kubra kucuk kudan kudar kudna kudou kudra kudur kukak kukan kukar kukka kukko kukok kukua kukur kunak kunar kund- kunda kundo kundu kunka kunku kunur kurak kuran kurar kurbu kurda kurka kurku kurna kuruc kurud kuruk naaak naban nabao nabar nabau nabba naboa nabob naboo nabor nabou nabua nabur nacaa nacac nacar nacba naccc nacda nacka nacna nacro nadab nadak nadan nadar nadon nador nadro nadun nadur nakao nakar nakba nakoo nakor nakur nanak nanan nanao nanbu nanda nando nandu nanka nann- nanna nanno nano- nanoa nanoc nanon nanou nanur naoda naoko naour narak naran narau narc- narco narda nardo narka narku narod narok naroo naror narou narra narro naruk narun narur nauck nauka naura nauru nbaon ncora ndana ndooa ndora ndour nduru nkana nkara nkubu nnooo no-do no-no noank noard nobar noboa nobob nobuo nocab nocan nodab nodar nokko nokon non-u nona- nonac nonad nonan nonar nonda nondo nonka nonna nonno noonu noora noord norad norba norbu norca norcd norco nordo norka norna noroc norok noron norra norro norun nouna noura nrank nu-nu nuabu nuada nubao nubar nubra nucca nucor nudur nunan nunca nunda nunka nunna nunon nunun nuodb nuoro nurak nurar nuroa nurra nuruk nurun o-bon o-r-b oando oandu oarac oaror obaba obaku obara obock obodo obora oboro obrab obrad obrok obudu ocado ocana ocara ocaro occar occra occur ockro ocora ocorn ocr-a ocr-b ocrad odaba odara oddba oddur odour odran odudu oduro okada okaka okano okara okkad okkan okkur okobo okoc okoro okubo okuda okuka okuku okura okuru onabc onado onaka onand onano onaon onara onard oncdr onco- ondra onnbc onoba onoda onond onoon onora onorn onour onran onuca onuka ooooo oraba orana orand oraon orara orbad orban orcad orcan orcon ordoc ordon ordro orduc orkan ornan ornon ornua orobo oroco orodo orona orono oroua orrca oruku oruro ouada ouaka ouako ouara oudan oudka oudon ouona ouoro ouran ourba ourno r-co- ra-ra raaba raack raaor raard rabab rabac rabad rabak raban rabba rabda rabon rabor rabou rabud rabun racak racan racka racko racon radan radar radau radka radon raduc radun rakaa rakab rakan rakon ran-d ranac ranau ranca ranck ranco randa randb randd rando randr randu ranka ranko ranna rannc ranno rannu ranon ranua raock raron rauco rauda rauna rauno rauon rccar rcuda ro-ro roadb roana roann roark robab robak robar robbo robo- robon robor robun robur rocar rocca rocco rocka rockn rocko rocoa rocor rocou rodan rodau rodbo rodda rodna rodoc rodok rodon rodor rokkk rokon rokua ronan ronco ronda rondo ronk- ronko ronno ronok rooba roodu roond rorbu rorra rouba rouko round roura rrand ruaka ruana ruano ruark rubab ruban rubba rubon rubor rubra rucka rudak rudan rudar rudka rudkk rudna rudno rudok rudra runan runcu runda rundu runo- runon rurak ruran rurka u-con u-dub uacrr uanda uandd uarda uaroo ubank ubobo uconn udaan udaka udana udand udara udoka udora ukanc ukcdr ukobu ukodo unaco unadd unadu unaka unara unark unaru unbad unban unbar unbud unccd uncod uncok uncon uncor undub undun undur unkar unkur unnao unnau unnun unnur unodc unona unoor unorn unrar unrra unrun unurn uraan uraba uran- urana urano urban urbar urduk urkun urnok uroob urour urrao uruan urubu urucu uuand uuard uuork uurad uuuuu