b-u bbb bbk bbm bbo bbr bbu bkb bkk bkm bko bkr bmb bmk bmm bmo bmr bmu bob bok bom boo bor bou brb brk brm bro brr bru bub buk bum buo bur buu kbb kbk kbm kbo kbr kbu kkb kkk kkm kkr kku kmb kmk kmm kmo kmu kob kok kom koo kor kou krk kro krr kru kub kuk kum kur kuu m-o m-r mbb mbk mbm mbo mbr mbu mkb mkk mkm mko mkr mku mmb mmk mmm mmo mmr mmu mob mok mom moo mor mou mrb mrk mrm mro mrr mru mub muk mum mur muu ob- obb obk obm obo obr obu okb okk oko okr oku om- omb omm omo omr omu oo- oob ook oom ooo oor or- orb ork orm oro orr oru ou- ouk oum ouo our rbb rbk rbm rbo rbr rbu rkb rkk rkm rko rku rmb rmm rmo rmr rob rok rom roo ror rou rrb rrk rrm rrr rru rub ruk rum ruo rur ruu ubb ubk ubo ubr ubu ukb ukk ukr uku um- umb umm umo umr umu uob uok uom uoo uor ur- urb urk urm uro urr uru uum uur uuu

bbbb bobb bobo bobu boko boku bomb bomu boob book boom boor bor- bork borm boro borr boru bouk boum bour brkb brob brok brom broo bror brou brrm brrr brum bubb bubo bubu bukk buko buku bum- bumb bur- burb burk burm buro burr buru kbbb kbbk kbbm kbbo kbbr kbbu kbkb kbkk kbko kbkr kbmb kbmo kbmr kbob kbok kboo kbrb kbrk kbro kbru kbub kbuk kbur kbuu kkbb kkbo kkbr kkkk kkmk kkmo kkmr kkob kkoo kkor kkrb kkrk kkro kkrr kkuu kmbr kmkk kmko kmmk kmmm kmmo kmmr kmob kmok kmom kmor kmou kmrb kmro kmrr kmur kobb kobk kobo kobr kobu kokb 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 krkk krko krkr krku krmb krmo krmr krob krok krom kroo kror krrb krrk krrm krro krrr kruk krum krur kubb kubo kubr kubu kukk kuku kumm kumo kumr kumu kuok kuoo kurb kurk kurm kuro kurr kuru kuub kuuk kuur kuuu mbou mmmm mmor mobb mobo moko momo momu moob mook moor morb mork moro moru mouk mour mrbb mrbm mrkr mruk mubo muko mumm mumo mumu murk muro murr muru obbo obkb obok obor obro okko okmo okok okom okor okro okur ombo ombu omo- omoo omor omro omuo ooku oooo orbb orbo orbu orko ormo oro- orok orom oror orro orub orum our- ouro ouu- rbbb rbbr rbmk rob- robb robo robu rokk roko rokr roku romb romk romm romo roob rook room roor rork roro roru roub rouk roum rrkm rrrr rrum rubb rubu rukk ruku rumb rumm rumo ruok ruro ruru ubbo ukko ukok ukum ukur umb- umbo ummo umok umor uomo uor- uro- urok urom uroo uruk urum urur uuuu

b-r-k bbook bo-bo bobko bobok bobr bokko bokok bokor bombo booko boomb booru borbo borko borku bormo boro- borok borom boroo borou borro borum bouko brmmm brobo brom- bromo brook broom brouk brrrr brumm bukk- bukom bukor bumbo bumbu buroo burro burru buruk k-rob ko-ko kobru kobuk kokko kokor kokou kokum kokur kombo kombu komku kooru korbo korku korom koror korro koruk kromo krumm kubok kukko kukok kukur kumbo kumru kumuk kurbu kurku kuruk mboro mburu mmmmm mobor mobro mokko mokro mokuk mokum mombo mombu mookk mooro morbo mormo moror morou morro morum mrmom mrorr mukur mumbo mummu mumok murko murom muror murro murru muruk murum o-r-b oboro obrok obrom okkur okobo okoro okubo okuku okuru omoro omuku ooooo orbom orkom ormur orobo oromo orrum oruku oruro ouoro ro-ro robbo robo- robor robur rokkk roomu rorbu rouko roumm rubor rumbo rummo rummu rumor ruomu ubobo ukobu umbro umour uroob urour urubu uuork uuuuu

b-room bbbbbb bobrok bokkom bokomo bokoro bombom bombur booboo boom-o borbor borkou borkum boroko boromo bororo boubou boukou bourou brokkr bromo- brubru bububu bukkur bukuru bumboo burbur buruku koboko kokoku kokomo kokoro kokubo komkor komoro komuro kookoo korkor kormuk koromo kororo koroum korubo koruru koubou koukou kouoro kourou krokom kukuom kum-bu kumbor kumbuk kumbum kumbur kumkum kurmuk kuroko kururu mbombo mbomou mborko mokoro mommur momoko moomoo mooruk mormor mormur mourou mubuko mukuro mukuru murmur muumuu okumoo ombro- ookroo oooooo oromoo orrour robomb rokkor rokuko rokuro romour rubro- rubrum rumbur rumour ubombo

bbbbbbb bok-bok bommuru boo-boo boobook bourrou brokour kobroor kokorou kokumbo kommuru kookoom kor-kor korkoro kum-boo kum-kum kurumbu mbokomu moo-moo morokro morrum moumour murukku muu-muu oroboro oubombo rubbour rumburk ububboo

bbbbbbbb bo-bo-bo bookroom boomboom boomburb broubrou buruburu kobukuro kokborok kom-ombo kukukuku kukuruku kuruburu kurukuru kurumbur mbumburu mokuroku murumuru rokkurro ubbubboo

boom-boom borborbor koukourou moko-moko oromoromo rumuokoro

kouroukoro kukkurukuu kuromukuro rumorrumor

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