b-u bbb bbi bbk bbo bbr bbu bby bi- bib bii bik bio bir biu biy bkb bkk bko bkr bob boi bok boo bor bou boy brb bri brk bro brr bru bry bub bui buk buo bur buu buy by- byi byk byo byr byu ibb ibi ibk ibo ibr ibu iby iib iii iio iir iiu ikb iki ikk iko ikr iku io- iob ioi ioo ior iou ir- irb iri irk iro irr iru iry iu- iub iui iur iyo iyr iyy kbb kbi kbk kbo kbr kbu kib kii kik kio kir kiu kkb kki kkk kkr kku kky kob koi kok koo kor kou koy kri krk kro krr kru kry kub kui kuk kur kuu kuy kyo kyr kyu o-i ob- obb obi obk obo obr obu oby oib oii oik oio oir oiu okb oki okk oko okr oku oo- oob ooi ook ooo oor or- orb ori ork oro orr oru ory ou- oui ouk ouo our oyi oyo rbb rbi rbk rbo rbr rbu rib rii rik rio rir riy rkb rkk rko rku rky rob roi rok roo ror rou roy rrb rri rrk rrr rru rub rui ruk ruo rur ruu ruy ry- ryk ryo ryr ryu ryy ubb ubi ubk ubo ubr ubu uby uib uii uio uir uiu ukb uki ukk ukr uku uob uok uoo uor ur- urb uri urk uro urr uru ury uur uuu uyi uyo uyu ybi ybr yby yii yio yir yki ykk yob yoi yok yoo yor you yoy yro yru yui yuk yuo yur yuu yuy yyb yyu yyy

bbbb bboy bbyo bibb bibi bibo biko biku bio- bioi biou birb biri birk biro birr biru biry bkry bobb bobi bobo bobu boby boi- boii boiu boki boko boku boob book boor bor- bori bork boro borr boru bory bouk bour bouy boyi boyo brik brio brkb brob brok broo bror brou brrr bry- bryk bryo bubb bubi bubo bubu buik buir buiu buki bukk buko buku buky buoy bur- burb buri burk buro burr buru bury buyi buyo buyu byik byki byob byoi byrk i-by ibri ibro ibuy ibyi iiii iiio iioi iioo ikki ikko ikky ikoo ikri ikuo iobi ioby ioii ioio ioko iooi iooo iori irby iri- irio iriy irki irob irri iuiu kbbb kbbi kbbk kbbo kbbr kbbu kbib kbik kbio kbiu kbiy kbkb kbkk kbko kbkr kbky kbob kboi kbok kboo kbrb kbri kbrk kbro kbru kbry kbub kbuk kbur kbuu kbuy kbyb kbyi kbyo kbyr kbyu kibb kibi kibo kibr kibu kiby kiii kiik kiiu kiki kikk kiko kikr kiku kioi kiok kioo kiou kirb kiri kirk kiro kirr kiru kiur kiuu kiyi kiyk kiyu kkbb kkbi kkbo kkbr kkik kkkk kkob kkoo kkor kkoy kkrb kkrk kkro kkrr kkuu kkyy kobb kobi kobk kobo kobr kobu koby koii koir kokb koki kokk koko kokr koku koky koob kooi kook kooo koor koou korb kori kork koro korr koru koub koui kour kouu koyo koyy krbb krbi krbk krbr krib krik krio krki krkk krko krkr krku krky krob kroi krok kroo kror kroy krrb krri krrk krro krrr krry krui kruk krur kryk kryo kryy kubb kubo kubr kubu kuby kuik kuki kukk kuku kuky kuok kuoo kurb kuri kurk kuro kurr kuru kury kuub kuuk kuur kuuu kuyi kuyo kuyu kuyy kybb kybi kybo kybr kyby kykk kykr kyky kyok kyoo kyor kyoy kyrk kyro kyuk kyur kyuu kyyi kyyk kyyo kyyy obbo obby obkb oboi obok obor oboy obri obro oiii oiko oiry okby okir okko okok okor okro okur okyo oobi ooby ooku ooky oooo oory orbb orbi orbo orbu orby ori- orio orko oro- orok oror oroy orri orro orry orub ouii ouir our- ouro ouu- ouyr oyou oyri rbbb rbbr rib- ribo ribu riby riki rikk riku riou riri riyo rob- robb robi robo robu roby roik roio roir roiu roki rokk roko rokr roku roky roob rooi rook roor rori rork roro roru rory roub rouk rouy rrrr rubb rubi rubu ruby ruki rukk ruku ruok ruoy ruri ruro ruru ruyi ryki ryob ryuk ubbi ubbo ubii ubik ubir uirr ukko ukky ukok ukur ukyo uor- urbi urib urik uriu uro- urok uroo urri urry uruk urur uuri uuuu uyir ybor ybry yirb yirk yirr ykko yobi yobo yoik yoki yoko yoky yook yori york yoro yory youb youi youk your yoyo yubu yuki yuko yuku yuky yuri yury yuyu yyyy

b-boy b-r-k bbook bbuoy bibbo bibby bibio bibri bikky bikok bikou bioko birou birur biryu bo-bo bobbi bobby bobik bobko bobok bobr bobri bobry boiro bokko bokok bokor booby booki booko booky booru booyo borbo borik borio borko borku borky boro- borok boroo borou borro bouko bouky bouri boyko boyuk briou brobo broby brook brouk brouy brrrr bruik bruiu bruri bruyk bryo- bubby bubry buiki bukk- bukki bukor burio buroo burri burro burru burry buruk buyou buyuk by-by bybib byobu byyou i-roy ibbur ibibo ibook ibrik ibuki iiiii ikiru ikkyo ikobo ikoro ikoyi ikuko ikuri ikuro ioooi ioooo iorio iouik iriki irobo iroko irori irour iyiyi k-rob ki-yi ki-yo kibbi kibbo kibi- kibor kiiki kikki kikko kikoi kikoy kikuo kikuu kikyo kioko kioku kirby kirki kirky kirui kiryu ko-ko kobri kobru kobuk koiri kokir kokki kokko kokoi kokor kokou kokry kokur kokyu kooki kooky koori kooru korbo korki korku koror korri korro korry koruk koryo koubi kouki kouri koury koyuk kribi krubi kruki kryo- kryry kubik kubok kubri kukko kukok kukri kukui kukur kuori kuoyu kurbu kurik kurir kurki kurku kuruk kuryk kyoko kyrii o-r-b oboro obory obrok oiko- oiryo okkur okobo okoki okoro okoyo okubo okuku okuru okuyi ooioo ooooo oribi orobo oruku oruro oryou ouir- ouoro oyibo oyoko oyoor oyrur ribbi ribby ribo- rikki rikuo rikyu ro-ro robbi robbo robby robik robo- robor roboy robur rokki rokkk rokky rooky rorbu rorik rouko rouky royko rubbi rubby rubik rubio rubor ruiru rurik rurki rybi rybki rybky ryobi ryobu ryoko ryori ryuir ryuki ryuko u-roy