b-r-k bbook bdoor bhood bhook bhoun bhour bhrrd bkorn bo-bo bo-ho bobko bobok bobr bodd- bodor bohok bohon bohor bohun bokko bokod bokok bokor bokun bondo bonon bonou bonud boodh booko boond boonk boord boorn booru borbo bordo borko borku born- borno bornu boro- borod borok boron boroo borou borro borun boudh boudu bouko bound bourd bourn brobo brodd brodo brohn brond bronk bronn brood brook broon broud brouk broun brrrr brud- bruhn brunk brunn bruno bruun bubon buddh buddu budko budur bukk- buknu bukor bundu bunko bunud bunuk bunun buoho buono buord burn- buron buroo burro burru burud buruk burun d-rod d-rok ddddd ddruk dhobb dhond dhoon dhubb dhuhr dhund dhunn do-do dobok dobro dodon dodoo dodro dohrn dohuk dokdo dokhu dokuo dondo donho donon donor doodo dooku doorn dorno doron dorud doruk dounk douro drbob drobo dronk drood drook droon drouh drouk droun drunk du-ku dubbo dubno dubon duddo dudok dudon dudou duduk duhon dukhn dukku dukun dundo dunno dunod dunun durno durok duron duruh hburn hhhhh hhour hndbk hnnbo ho-ho ho-oh hobor hobro hobub hoddu hodhr hodod hodur hokku honbu hondo honko honno honor honud hoond hoord hoorn hornb horno horod horon horro horru hound hourd hubur hudud hudur huhuh hukok huork huorn hurko hurok huron huuru k-b-d k-rob khodr khoku khonb khond khood khoro khour khund khurd khuru khuur knokk knork knorr knoud knurr ko-ko kobru kobuk kobun kodok kodur kohon kokko kokor kokou kokur konbu kondh kondo konno konnu konro konur koonu koord koorn kooru korbo korku korno koron koror korro koruk korun koudo kouno krnuo krodh krodo krohn kronk kroon kroun krunk kruun kubok kudou kudur kukko kukok kukur kund- kundo kundu kunku kunur kurbu kurku kurud kuruk ndour nduru nkubu nnooo no-do no-no nobob nobuo noduh nohno nohor nokko nokon non-u nondo nonno nonoh noonu noord norbu nordo norok noron norro norun nu-nu nudur nuhuh nunon nunun nuodb nuoro nuruk nurun o-bon o-r-b obhor obodo oboro obrok obudu oddur odour odudu oduro oh-oh oh-ok ohorn ohour ohrob okkur okobo okoho okoro okubo okuku okuru onhbo onond onoon onorn onour ooooh ooooo ordon ordro ornon orobo orodo orono oruku oruro oudon ouoro ourno rhod- rhodo rhoon ro-ro robbo robo- robon robor robun robur rodbo rodok rodon rodor rohob rohod rohru rohun rokkk rokon rondo ronk- ronko ronno ronok roodu rookh roond rorbu rouko round rubon rubor rudkk rudno rudok ruhnu ruhub rundu runo- runon u-dub ubobo uh-oh uh-uh uhdoh uhhoh uhhuh uhuru ukobu ukodo unbud undub undun undur unkur unnun unnur unoor unorn unruh unrun unurn urduk urkun urnok uroob urour urubu uuork uuuuu