obor obrh obro obuh odbo oddd odnb odoh odon odoo odor odou odur ohho ohno ohob ohoh ohok ohrn okko okno okok okon okor okro okun okur ondo onno onod onon onor onur ooho ooku oooh oooo oord orbb orbo orbu ordn ordo ordu orko orno oro- orok oron oror orro orub oudh oun- ound our- ourn ouro ouu- rbbb rbbr rboh rhob rhod rhoh rhon rhun rnbr rnod rob- robb robo robu rodd rodo rohn rohr rohu rokh rokk roko rokr roku rond ronk rono roob rood rook roon roor rork roro roru roub roud rouh rouk roun rrrr rrun rubb rubu rudd rudo ruhh ruhn ruhr rukh rukk rukn ruku rund runk runn runo ruok rurd ruro ruru ruud ruun ubbo ubod ubon ubud udoh udon udoo uduk udun uh-d uhno uhoh uhok uhuh ukko ukok ukon ukur unbd undo unkn unko unno unon unro uor- urdu urho uro- urok uroo urrh uruk urun urur uuno uuuu

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

bbbbbb bhookh bo-hoo bobrok bobrun bohunk bokoro bonbon bondon bonnor bonobo booboo boohoo boondh borbon borbor bordon bordun borkou bornon boroko bororo boubou boudon boudou boukou bounou bourou brodno brokkr bronko bronno brubru brudno bruron buborn bububu budruk budukh bukkur bukuru bundoo burbur burdon burdur burhou burnou burnuk buruku d-book dhundh do-hun dobron dobrun dododo dodunk dok-do dokuro dondon donkor donoor donour dorbod dordon dorobo dorond dorood dororo doudou dourou drhook drudkh dubdub duboko duddon duhour dukono dundun dundur dunkuh dunoon dunord durbok h-hour hobnob hodhur hohoho hohrod hondor honnor honor- honour hoodoo hoohoo hookor hoonko hooroo horonu hororo horror hubbub hubdub huboon hububb huddon hudood huh-uh hukkok hundon hundun hunnur hurdon hurroo khokon khonuu khoroo khoruk khuhro kobodo koboko kodkod kodoku koduru kohndo kohnur kohoku kokkoh kokoku kokoon kokoro kokoun kokubo kondor konnor konnur koodoo kookoo koonur kordun korkor kororo korubo korunk koruru koubou koudou koukou kouoro kourou kronor kronur kudrun kuduro kuduru kuhrud kuknur kukudh kukurd kundoo kundru kundun kundur kunkur kunnur kurkun kuroko kurukh kurund kururu nkonko nkoroo nnundu noboru nobuko nokhur non-no nonkon nonodd nonono nonoon noonoo noonor nounou nuh-uh nukkuu nukunu o-hook o-knon obokun obudno odoorn ohnono ohohoh okondo onbook onhuno oohooh ookroo oooooo oordoo ordoru orkhon orokon orrho- orrour ourdon ouroun rhodo- rhodon roddon rokkor rokuko rokuro rondon ronnon ronron roound roudno roundo roundu rounou rubbon rubro- ruddon rudnun rudrur ruhroh run-on ubundu udburu udukku uh-huh unbook unborn unburn undurn unh-uh unhood unhook unhunh urhobo urodon

bbbbbbb bodokro bohodou bohorok bok-bok bokonon bon-bon boo-boo boo-hoo boobook bordour borkhun bornuur boronuk bounouh bourbon bourdon bourrou brodhun brokour broodon broudur brundon bukhoor bukhoro bundook bunroku burdoun burdour burundu dob-dob dobrodo dododou dohonor donodon doo-doo dookudu dorudon doudouk dourdou dournon duk-duk dundrod dundurn hob-nob honnour hoo-hoo horodok horrour hub-bub huddron hur-bur khonnor khoronk khorrud khubkuh kobroor kobudo kokonor kokorou kokubun kondoor kondrud konduru kooddoo kor-kor korborn korkoro koundou krondor kudurru kundoor kundudo kunukku kuokunu ndorobo nonbook nonburn norbord norrbro nukuoro nunhood nurkhon obround odorkor odorono on-hook orndorn oroboro oronoko rbubnon rhoddon roundon rubbour ruh-roh runbook ububboo unbound undrunk unh-unh unround

bbbbbbbb bo-bo-bo bonobono bookboon bookhood borborud borunduk broubrou bunkobon burdhubo buruburu doorknob doornoob duddroun dukhobor hobornob hokohoko hornbook horohoro hubbuboo huddroun hunkbond hurr-bur kobukuro kodukkur kohukohu kokborok kondrobo kudunuru kukukuku kukuruku kuruburu kurukuru nokonoko nonboron nonbound nondonor nononono nonround noonhour norbrook nordhorn nounhood nukunonu obburdon ohboohoo orkounou oronooko oroonoko our-burd rhododon rokkurro runround ubbubboo uh-uh-uh unhonour

bondoukou bookhound bor-ondor borborbor borobudur ddddddddd dokkodo douk-douk doukhobor drunkdunk dundundun durnrohr