b-u bbb bbh bbk bbm bbo bbr bbu bhb bhh bhk bhm bho bhr bhu bkb bkk bkm bko bkr bmb bmh bmk bmm bmo bmr bmu bob boh bok bom boo bor bou brb brh brk brm bro brr bru bub buh buk bum buo bur buu hbb hbh hbk hbm hbo hbr hbu hhb hhh hhk hhm hho hhr hhu hkb hkh hkk hkm hko hkr hku hmb hmh hmk hmm hmo hmr hmu hob hoh hok hom hoo hor hou hr- hrb hrh hrk hrm hro hrr hru hub huh huk hum huo hur huu kbb kbh kbk kbm kbo kbr kbu khh khk khm kho khr khu kkb kkh kkk kkm kkr kku kmb kmh kmk kmm kmo kmu kob koh kok kom koo kor kou krk kro krr kru kub kuh kuk kum kur kuu m-o m-r mbb mbh mbk mbm mbo mbr mbu mhh mhk mhm mho mhr mhu mkb mkh mkk mkm mko mkr mku mmb mmh mmk mmm mmo mmr mmu mob moh mok mom moo mor mou mrb mrh mrk mrm mro mrr mru mub muh muk mum mur muu ob- obb obh obk obm obo obr obu ohh ohm oho ohr ohu okb okk oko okr oku om- omb omh omm omo omr omu oo- oob ooh ook oom ooo oor or- orb orh ork orm oro orr oru ou- ouh ouk oum ouo our rbb rbh rbk rbm rbo rbr rbu rh- rhb rhh rhm rho rhr rhu rkb rkk rkm rko rku rmb rmh rmm rmo rmr rob roh rok rom roo ror rou rrb rrh rrk rrm rrr rru rub ruh ruk rum ruo rur ruu ubb ubh ubk ubo ubr ubu uhb uhh uhm uho uhr uhu ukb ukk ukr uku um- umb umh umm umo umr umu uob uok uom uoo uor ur- urb urk urm uro urr uru uum uur uuu

-hou bbbb bhor bhur bhuu bobb bobo bobu bohm boho bohr bohu boko boku bomb bomu boob booh book boom boor bor- borh bork borm boro borr boru bouh bouk boum bour brkb brob broh brok brom broo bror brou brrm brrr bruh brum bubb bubo bubu buho buhr bukh bukk buko buku bum- bumb bur- burb burh burk burm buro burr buru hhhh hkbu hkmo hmhb hmmm hobo hohm hoho hoko hoku hom- homo homr homu hook hoom hoor hork horo horr houk hour hrob hubb hubo huhu hukm humh humm humo huor hurk huro hurr huru huub kbbb kbbk kbbm kbbo kbbr kbbu kbhb kbhh kbhm kbhr kbkb kbkk kbko kbkr kbmb kbmo kbmr kbob kbok kboo kbrb kbrh kbrk kbro kbru kbub kbuk kbur kbuu khbm khbr khhk khhm khho khkk khkm khkr khmb khmo khmr khmu khob khok khom khor khou khrk khro khrr khub khuk khum khur kkbb kkbo kkbr kkhb kkhh kkhk kkhr kkkk kkmk kkmo kkmr kkob kkoh kkoo kkor kkrb kkrh kkrk kkro kkrr kkuu kmbh kmbr kmhb kmhk kmhm kmhr kmkk kmko kmmk kmmm kmmo kmmr kmob kmok kmom kmor kmou kmrb kmro kmrr kmur kobb kobk kobo kobr kobu kohh kohm koho kohr kohu kokb kokh kokk koko kokr koku komb komo komr koob kook kooo koor koou korb kork koro korr koru koub koum kour kouu krbb krbk krbm krbr krkh krkk krko krkr krku krmb krmh krmo krmr krob kroh krok krom kroo kror krrb krrk krrm krro krrr kruh kruk krum krur kubb kubo kubr kubu kuhm kuhu kukh kukk kuku kumm kumo kumr kumu kuok kuoo kurb kurk kurm kuro kurr kuru kuub kuuk kuur kuuu mbou mhmm mhmr mhor mmhm mmmh mmmm mmor mobb mobo mohm moho mohr mohu moko momo momu moob mook moor morb mork moro moru mouk mour mrbb mrbm mrkh mrkr mruk mubo muhr muhu muko mumm mumo mumu murk muro murr muru obbo obkb obok obor obrh obro obuh ohho ohob ohoh ohok ohum okko okmo okok okom okor okro okur ombo ombu omo- omoo omor omro omuo ooho ooku oooh oooo orbb orbo orbu orko ormo oro- orok orom oror orro orub orum our- ouro ouu- rbbb rbbr rbmk rboh rhob rhoh rhum rob- robb robo robu rohm rohr rohu rokh rokk roko rokr roku romb romk romm romo roob rook room roor rork roro roru roub rouh rouk roum rrkm rrrr rrum rubb rubu ruhh ruhm ruhr rukh rukk ruku rumb rumm rumo ruok ruro ruru ubbo uhoh uhok uhuh ukko ukok ukum ukur umb- umbo ummo umok umor uomo uor- urho uro- urok urom uroo urrh uruk urum urur uuuu

b-r-k bbook bhook bhoom bhour bo-bo bo-ho bobko bobok bobr bohok bohor bokko bokok bokor bombo bomoh booko boomb booru borbo borko borku bormo boro- borok borom boroo borou borro borum bouko brmmm brobo brohm brom- bromo brook broom brouk brrrr brumm bukk- bukom bukor bumbo bumbu buoho buroo burro burru buruk hbomb hhhhh hhour hkhrm ho-ho ho-oh hobor hobro hobub hohum hokku hokum homo- homok horom horro horru hubur huhuh hukok humbo humor humur huork hurko hurm hurok hurum huuru k-rob khoku khoro khoum khour khumb khuru khuur ko-ko kobru kobuk kohmo kokko kokor kokou kokum kokur kombo kombu komku kooru korbo korku korom koror korro koruk kromo krumm kubok kuhmo kukko kukok kukur kumbh kumbo kumru kumuk kurbu kurku kuruk mboro mburu mhorr mmhmm mmmmm mobor mobro mohor mohur mokko mokro mokuk mokum mombo mombu mookk mooro morbo mormo moror morou morro morum mrmom mrorr mukho mukur mumbo mummu mumok murko murom muror murrh murro murru muruk murum o-hum o-r-b obhor oboro obrok obrom oh-oh oh-ok ohmmm ohour ohrob ohrum okkur okobo okoho okoro okubo okuku okuru omoro omuku ooooh ooooo orbom orkom ormur orobo oromo orrum oruku oruro ouoro rhomb rhumb ro-ro robbo robo- robor robur rohob rohru rokkk rookh roomu rorbu rouko roumm rubor ruhub rumbo rummo rummu rumor ruomu ubobo uh-oh uh-uh uhhoh uhhuh uhuru ukobu umbro umhum umour uroob urour urubu uuork uuuuu

b-room bbbbbb bhookh bo-hoo bobrok bokkom bokomo bokoro bombom bombur booboo