b-u bbb bbi bbk bbm bbo bbr bbu bi- bib bii bik bim bio bir biu bkb bkk bkm bko bkr bmb bmi bmk bmm bmo bmr bmu bob boi bok bom boo bor bou brb bri brk brm bro brr bru bub bui buk bum buo bur buu ibb ibi ibk ibm ibo ibr ibu iib iii iim iio iir iiu ikb iki ikk iko ikr iku im- imb imi imm imo imu io- iob ioi iom ioo ior iou ir- irb iri irk irm iro irr iru iu- iub iui ium iur kbb kbi kbk kbm kbo kbr kbu kib kii kik kim kio kir kiu kkb kki kkk kkm kkr kku kmb kmi kmk kmm kmo kmu kob koi kok kom koo kor kou kri krk kro krr kru kub kui kuk kum kur kuu m-o m-r mbb mbi mbk mbm mbo mbr mbu mi- mib mii mik mim mio mir miu mkb mkk mkm mko mkr mku mmb mmi mmk mmm mmo mmr mmu mob moi mok mom moo mor mou mrb mri mrk mrm mro mrr mru mub mui muk mum mur muu o-i ob- obb obi obk obm obo obr obu oib oii oik oim oio oir oiu okb oki okk oko okr oku om- omb omi omm omo omr omu oo- oob ooi ook oom ooo oor or- orb ori ork orm oro orr oru ou- oui ouk oum ouo our rbb rbi rbk rbm rbo rbr rbu rib rii rik rim rio rir rkb rkk rkm rko rku rmb rmi rmm rmo rmr rob roi rok rom roo ror rou rrb rri rrk rrm rrr rru rub rui ruk rum ruo rur ruu ubb ubi ubk ubo ubr ubu uib uii uim uio uir uiu ukb uki ukk ukr uku um- umb umi umm umo umr umu uob uok uom uoo uor ur- urb uri urk urm uro urr uru uum uur uuu

bbbb bibb bibi bibo biko biku bimo bio- bioi biou birb biri birk biro birr biru bmir bmmi bobb bobi bobo bobu boi- boii boim boiu boki boko boku bomb bomi bomu boob book boom boor bor- bori bork borm boro borr boru bouk boum bour brik brim brio brkb brob brok brom broo bror brou brrm brrr brum bubb bubi bubo bubu buik buir buiu buki bukk buko buku bum- bumb bur- burb buri burk burm buro burr buru ibbm ibim ibri ibro iiii iiio iioi iioo iium ikki ikko ikmo ikom ikoo ikri ikuo imbi imir immi immo imok imou imri imro imrr iobi ioii ioio ioko iomo iooi iooo iori irbm iri- irio irki irmo irob irri iuiu kbbb kbbi kbbk kbbm kbbo kbbr kbbu kbib kbik kbim kbio kbiu kbkb kbkk kbko kbkr kbmb kbmi kbmo kbmr kbob kboi kbok kboo kbrb kbri kbrk kbro kbru kbub kbuk kbur kbuu kibb kibi kibo kibr kibu kiii kiik kiiu kiki kikk kiko kikr kiku kimb kimi kimm kimo kioi kiok kioo kiou kirb kiri kirk kiro kirr kiru kiur kiuu kkbb kkbi kkbo kkbr kkik kkim kkkk kkmi kkmk kkmo kkmr kkob kkoo kkor kkrb kkrk kkro kkrr kkuu kmbi kmbr kmkk kmko kmmk kmmm kmmo kmmr kmob kmok kmom kmor kmou kmrb kmri kmro kmrr kmur kobb kobi kobk kobo kobr kobu koii koir kokb koki kokk koko kokr koku komb komi komo komr koob kooi kook kooo koor koou korb kori kork koro korr koru koub koui koum kour kouu krbb krbi krbk krbm krbr krib krik krim krio krki krkk krko krkr krku krmb krmo krmr krob kroi krok krom kroo kror krrb krri krrk krrm krro krrr krui kruk krum krur kubb kubo kubr kubu kuik kuki kukk kuku kumi kumm kumo kumr kumu kuok kuoo kurb kuri kurk kurm kuro kurr kuru kuub kuuk kuur kuuu mbim mbio mbou miii miio miki mikk miko miku mim- mimi mimo mio- miri mirk miro mirr miru miui mmii mmmm mmor mobb mobi mobo moii moio moir moki moko momi momo momu moob mook moor morb mori mork moro moru mouk mour mrbb mrbm mrkr mruk mubi mubo muir muki muko mumm mumo mumu muri murk muro murr muru obbo obkb oboi obok obor obri obro oiii oiko oimb oium okir okko okmo okok okom okor okro okur ombo ombu omim omio omo- omoi omoo omor omri omro omuo oobi ooku oooo orbb orbi orbo orbu ori- orio orko ormo oro- orok orom oror orri orro orub orum ouii ouir oumi our- ouro ouu- rbbb rbbr rbmk rib- ribo ribu riki rikk riku rimi rimm rimo rimu riom riou riri rob- robb robi robo robu roik roio roir roiu roki rokk roko rokr roku romb romi romk romm romo roob rooi rook room roor rori rork roro roru roub rouk roum rrkm rrrr rrum rubb rubi rubu ruki rukk ruku rumb rumi rumm rumo ruok ruri ruro ruru ubbi ubbo ubii ubik ubir uirr ukko ukok ukum ukur umb- umbi umbo umik ummo umok umor umri uomo uor- urbi urib urik urim uriu urmi uro- urok urom uroo urri uruk urum urur uuri uuuu

b-r-k bbook bibbo bibio bibri bikok bikou bimbo bioko birmi birou birum birur bmiii bo-bo bobbi bobik bobko bobok bobr bobri boiro bokko bokok bokor bombo booki booko boomb booru borbo borik borim borio borko borku bormo boro- borok borom boroo borou borro borum bouko bouri brimm brimo briou brmmm brobo brom- bromo brook broom brouk brrrr bruik bruiu brumm bruri buiki bukk- bukki bukom bukor bumbo bumbu burim burio buroo burri burro burru buruk buumi i-m-r ibbur ibibo ibook ibrik ibuki iiiii ikiru ikobo ikoro ikuko ikumi ikuri ikuro iommi ioooi ioooo iorio iouik iriki irimi irobo iroko irori irour k-rob kibbi kibbo kibi- kibor kiiki kikki kikko kikoi kikuo kikuu kimbo kimbu kimio kimmo kimri kimuu kioko kioku kirki kirui ko-ko kobri kobru kobuk koiri kokir kokki kokko kokoi kokor kokou kokum kokur kombi kombo kombu komku kooki koori kooru korbo korki korku kormi korom koror korri korro