orub orum oudh ouii ouir oumi our- ouro ouu- rbbb rbbr rboh rdbm rdio rhib rhim rhio rhob rhod rhoh rhum rib- ribo ribu ridd ridi rido riho rimi rimm rimo rimu riom riou riri rob- robb robi robo robu rodd rodi rodo rohm rohr rohu roid roio roir roiu romb romd romi romm romo roob rood rooi room roor rori roro roru roub roud rouh roum rrrr rrum rubb rubi rubu rudd rudi rudo ruhh ruhi ruhm ruhr ruid rumb rumi rumm rumo rurd ruri ruro ruru ruud ubbi ubbo ubid ubii ubir ubod ubud uddi udid udim udir udoh udoo uh-d uhid uhoh uhuh uirr umb- umbi umbo ummo umor umri uomo uor- urbi urdu urho urib urim uriu urmi uro- urom uroo urrh urri urum urur uuri uuuu

bdoor bhood bhooi bhoom bhour bhrrd bhumi bibbo bibio bibod bibri biddu bidor bidri bidur bihor bihou bihud bimbo birdo birdu birmi birou birum birur bmiii bo-bo bo-ho bobbi bobr bobri bodd- bodhi bodio bodir bodiu bodom bodor bodri bodum bohor bohri boiro bombo bomoh boodh boomb boord booru borbo bordi bordo borid borim borio bormo boro- borod borom boroo borou borro borum boudh boudu bourd bouri bridi brimm brimo briod briou brmmm brobo brodd brodo brohm broid brom- bromo brood broom broud brrrr brud- bruiu brumm bruri buddh buddu budhi budur buhid buird bumbo bumbu buoho buord burdi burim burio buroo burri burro burru burud buumi d-rod dbdmh ddddd ddrmm ddrum dhobb dhobi dhoom dhubb dhuhr dhumm dibri diddu didim didio dimi- dioid dioro dirhm do-do dobhi dobri dobro dodoo dodro doido doodo dorid dorio dormi dorud dorum doumb doumu douro drbob dridu drmom drobo drohi droid drom- dromo drood droom drori drouh droum druid drumb drumm druri dubbi dubbo dubi duddo dudhi dudou duhri dumbo dumri duomi duomo durio duruh durum h-bio h-iib hbomb hhhhh hhour hi-hi hi-md hibhi hibob hibor hibri hibur hidio hidir hidr- hidur himbo himod himom hiroi hirom hiroo hirur ho-ho ho-oh hobor hobro hobub hoddu hodhr hodid hodod hodur hohim hohum homo- hoodi hoord hoori horii horim horio horod horom horro horru hou-i houir hourd houri hubur hudud hudur huhuh huidu huird humbo humid humir humor humur huobi hurm hurmi hurri hurum huuru i-bid i-bod i-m-r ibbur ibibo idio- idiom idodi idood idoru iiiii imbud imdur imid- imido immid immud iodid iodo- iommi iomud ioooi ioooo iorio irbid irid- irido irimi irobo irori irour mbiri mbori mboro mburu mhorr mhudi mi-mi mibor midi- midir midob midou mimbo mimid mimio mimir mimmi mimo- miour mirid mirim mirrh mirri mirud mmdii mmhmm mmiii mmmmm mo-do mobor mobro moddi modii modir modom modum modur mohdi mohor mohri mohur mombi mombo mombu momir momoi moooi moori mooro morbi morbo mordu morib morid morio mormo moroi moror morou morro morum moudi mouri mrmom mrorr muddu mudim mudir mudri muiri mumbi mumbo mummu murdi murdo murdu murid murmi muroi murom muror murrh murri murro murru murud murum o-hum o-r-b obhor obimo obodo oboro obrom obudu oddur odibo odiid odium odoom odori odour odudu oduom oduro oh-oh ohiou ohmmm ohour ohrid ohrio ohrob ohrum oidor ombud omoro oohdm ooioo ooooh ooooo orbom ordib ordro orhim oribi oridb orium orm-d ormod ormur orobo orodo oromo orrum oruro ouihi ouir- ouoro rhod- rhodo rhomb rhumb ribbi ribo- rimbo rimmi rimou rimur rmdir ro-ro robbi robbo robo- robor robur rodbo roddi rodor rodri rohob rohod rohri rohru roodi roodu roohi roomu rorbu rorid roumi roumm rubbi rubid rubim rubio rubor ruhub ruiru rumbo rummi rummo rummu rumor ruomu u-dub u-hid ubirr ubobo udrih uh-oh uh-uh uhdoh uhhoh uhhuh uhuru uimid uiro umbri umbro umhum umido umiri umour umudu urdoi uromi uroob urour urubu urumi ururi uuuuu

b-room bbbbbb bhoomi bibiri bibiru bidbid biobor biomom birhor biribi birohi birori bo-hoo bobbio bobiri boddom bodrum bombom bombur booboo boohoo boom-o borbor boridi borium bormio boromo bororo boubou bouddi boudou bourou bribir bribri brimir briord bromid bromio bromo- brubru bubbio bububu buddhi budrio budrum bumboo burbur burdur burhou burior buriro burrio bururi ddr-ii dhimmi dhrohi dhubri didiom diii-d diiod- diiodo dimdim dimibo dimuro diodor diomid diorio dioubo dirdum dobi-i dododo dodori domdom domrud doobdi dorbod dordum dorobo dorood dororo doudou dourou drdoom dromio dromo- dromod dromoi drumbo drummr dubdub duhour dumdum durdum durior h-bomb h-hour hibhib hibrid hidour hidro- himrod himroo hirobo hirohi hiroim hiromi hiromu hirudo hiurud ho-hum hoddom hodhur hodori hohoho hohrod homoi- hoodoo hoohoo hooroo hormud hororo horrid horror hubbub hubdub hubrid hububb hudood huh-uh humhub humhum humiri hummum humour hurdom hurroo hurumu ibibio ibrium idoido idomoo idrimi iiooio imbrid imido- imidro imirim irbidi iridio irido- irridu irrour mbombo mbomou miburi midori midrib mihiro mihoub mimodb mimori miodio miombo miomir mirihi miroir mirour mirror mirumo miruru mm-hmm moddom moddum mohoid mohoro mohuhu mommur momoir moodir moodur moomoo moormi morbid morbio mordor mordru moribi moriro mormor mormur morodo moroii mouddo mourou muddir mudomo muhuhu muhurr muhuru murdur murio- murium murmir murmur muroid muuido muumuu obidim odroid ohohoh oidium ombro- omoio- oohooh oooooo oordoo ordoru oriomo ormrod ormuri orobii oromoo orrho- orrour ouioui rhodo- rhodri rhomb- rhombi riddim rimbor rirumu robbio roboid robomb rohmir romiri romour romrod rubro- rubrum rudrur ruhroh ruhubi rumbud rumbur rumdum rumohr rumour ubombo uburoi udburu uh-huh um-hum umbrid umirim umudim urhobo urodid

bbbbbbb bidrohi bim-bom biobio bioroid birbhum birddom birudur bohodou bohrium bommidi bommuru boo-boo boo-hoo boobird bordour boromir boudoir bourrou brihiri bromium broudur budimir burdimo burdour burrium di-iod- dibrom- dibromo didimbo diiodo- dimouri diriomo dob-dob dobi-ii dobrodo dododou doo-doo doridid dorohoi dourdou dribouo droddum dromiid dum-dum h-m-d h-r-m hidimbi hohumid hombori homdrom homoio- homorod homorud hoo-hoo horrour hub-bub humbird humdrum humidor hur-bur hurhuri ibidium ihururu immoudo imodium iridio- iridium iridoid mirmiru mirobod mirrour mobimii mohombi moo-moo moodoid moriori morodou morrum morumbi moumour mouriri mudroom muhimbi murdrum murmuri muu-muu oddbird oidioid ommoord oroboro oubombo r-h-m rddhi rhodium rhombo- riddour rimbomb riodoro robiboo rubbour ruh-roh rum-dum rumdumb ubomiri ububboo umuduri uriburu uridium

bbbbbbbb bird-dom birdhood bo-bo-bo boomboom boomburb borborid borborud bordroom briddhim broubrou burdhubo burriour buruburu dhiddhoo di-iodo- dibromo- didhdhoo