b-u bbb bbk bbm bbo bbr bbu bkb bkk bkm bko bkr bmb bmk bmm bmo bmr bmu bmz bob bok bom boo bor bou boz brb brk brm bro brr bru brz bub buk bum buo bur buu buz bzo bzr bzu bzz k-z kbb kbk kbm kbo kbr kbu kbz kkb kkk kkm kkr kku kmb kmk kmm kmo kmu kmz kob kok kom koo kor kou koz krk kro krr kru kub kuk kum kur kuu kzo m-o m-r mbb mbk mbm mbo mbr mbu mkb mkk mkm mko mkr mku mkz mmb mmk mmm mmo mmr mmu mmz mob mok mom moo mor mou moz mrb mrk mrm mro mrr mru mrz mub muk mum mur muu mzb mzm ob- obb obk obm obo obr obu okb okk oko okr oku om- omb omm omo omr omu omz oo- oob ook oom ooo oor or- orb ork orm oro orr oru orz ou- ouk oum ouo our ozm ozo ozu ozz rbb rbk rbm rbo rbr rbu rkb rkk rkm rko rku rkz rmb rmm rmo rmr rob rok rom roo ror rou roz rrb rrk rrm rrr rru rub ruk rum ruo rur ruu ruz rzb rzm rzo ubb ubk ubo ubr ubu ukb ukk ukr uku ukz um- umb umm umo umr umu uob uok uom uoo uor ur- urb urk urm uro urr uru urz uum uur uuu uzb uzo uzu zbb zbm zbr zmb zmk zmm zo- zob zok zom zoo zor zou zro zub zuk zum zur zuz zzr zzz

bbbb bobb bobo bobu boko boku bomb bomu boob book boom boor booz bor- bork borm boro borr boru borz bouk boum bour bozo brkb brob brok brom broo bror brou broz brrm brrr brum bruz bubb bubo bubu bukk buko buku bum- bumb bur- burb burk burm buro burr buru burz buuz buzz bzou bzrk bzzz kbbb kbbk kbbm kbbo kbbr kbbu kbbz kbkb kbkk kbko kbkr kbkz kbmb kbmo kbmr kbob kbok kboo kboz kbrb kbrk kbro kbru kbrz kbub kbuk kbur kbuu kbuz kbzm kbzo kbzu kbzz kkbb kkbo kkbr kkbz kkkk kkmk kkmo kkmr kkob kkoo kkor kkoz kkrb kkrk kkro kkrr kkrz kkuu kkzu kkzz kmbr kmbz kmkk kmko kmkz kmmk kmmm kmmo kmmr kmmz kmob kmok kmom kmor kmou kmoz kmrb kmro kmrr kmur kmuz kmzk kmzo kmzr kmzu kmzz kobb kobk kobo kobr kobu kokb kokk koko kokr koku kokz komb komo komr koob kook kooo koor koou kooz korb kork koro korr koru koub koum kour kouu kozb kozk kozo kozr kozu krbb krbk krbm krbr krbz krkk krko krkr krku krkz krmb krmo krmr krob krok krom kroo kror kroz krrb krrk krrm krro krrr krrz kruk krum krur kruz krzk krzr krzz kubb kubo kubr kubu kukk kuku kumm kumo kumr kumu kuok kuoo kurb kurk kurm kuro kurr kuru kurz kuub kuuk kuur kuuu kuuz kuzu kuzz kzbb kzbk kzbr kzbz kzkr kzkz kzmk kzmu kzmz kzoo kzor kzoz kzrb kzrk kzrm kzro kzrr kzrz kzum kzuu kzuz kzzb kzzk kzzo kzzr kzzz mbou mmmm mmor mobb mobo moko momo momu moob mook moor morb mork moro moru mouk mour mozo mozu mrbb mrbm mrkr mroz mruk mubo muko mumm mumo mumu murk muro murr muru muzo muzz 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 oroz orro orub orum orzk orzo orzu our- ouro ouu- ouzo rbbb rbbr rbmk rob- robb robo robu rokk roko rokr roku romb romk romm romo roob rook room roor rooz rork roro roru roub rouk roum rouz rozz 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 uruz uuuu z-ro zmub zobo zoku zomb zomo zoo- zook zoom zorb zork zoro zouk zozo zozu zubo zubr zubu zuko zukr zumo zuoz zurb zurr zuru zuuk zuzu zzzz

b-r-k bbook bo-bo bobko bobok bobr bokko bokok bokor bombo booko bookz boomb booru borbo borko borku bormo boro- borok borom boroo borou borro borum borzu bouko bozok bozoo bozum brmmm brobo brom- bromo brook broom brouk brrrr brumm bruzz bukk- bukom bukor bumbo bumbu buroo buroz burro burru buruk buzuk buzzr k-rob ko-ko kobru kobuk kobuz kokko kokor kokou kokum kokur kombo kombu komku komuz kooru korbo korku korom koror korro koruk kozub kromo krumm kubok kukko kukok kukur kumbo kumru kumuk kumuz kurbu kurku kuruk kuzbu mboro mburu mmmmm mobor mobro mokko mokro mokrz mokuk mokum mombo mombu mookk mooro morbo mormo moror morou moroz morro morum mozzo mrmom mrorr mukrz mukur mumbo mummu mumok murko murom muror murro murru muruk murum murz murzo muzur mzuzu o-r-b oboro obrok obrom obzor okkur okobo okoro okubo okuku okuru omoro omuku ooooo orbom orkom ormoz ormur orobo oromo orrum oruku oruro ouoro ozoro ozumo ro-ro robbo robo- robor robur rokkk roomu rorbu rouko roumm rubor rumbo rummo rummu rumor ruomu ubobo ukobu umbro umour urmuz uroob urour urroz urubu uuork uuuuu zokor zombo zorbo zorko zorro zu-zu zubko zubuk zukor zumbo zzoom zzzzz

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

bbbbbbb bok-bok bommuru boo-boo boobook bourrou brokour kobroor kokorou kokumbo kommuru kookoom kor-kor korkoro kozomor kum-boo