b-u bbb bbc bbk bbo bbr bbu bbw bcb bcc bck bco bcr bcu bcz bkb bkc bkk bko bkr bkw bob boc bok boo bor bou bow boz brb brk bro brr bru brw brz bub buc buk buo bur buu buw buz bwb bwc bwk bwo bwr bwu bzo bzr bzu bzz c-- cbb cbc cbk cbo cbr cbu cbw cbz ccb ccc cck cco ccr ccu ccw ccz ckb ckc cko ckw co- cob coc cok coo cor cou cow coz crb crc crk cro crr cru crw crz cub cuc cuk cuo cur cuu cuw cuz cw- cwb cwc cwk cwo cwr cwu cz- czc czk czo czw k-z kbb kbc kbk kbo kbr kbu kbw kbz kcb kcc kck kcr kcu kkb kkc kkk kkr kku kob koc kok koo kor kou kow koz krc krk kro krr kru krw kub kuc kuk kur kuu kw- kwc kwk kwo kww kzo kzw ob- obb obc obk obo obr obu obw oc- ocb occ ock oco ocr ocu ocw ocz okb okc okk oko okr oku okw oo- oob ooc ook ooo oor oow or- orb orc ork oro orr oru orz ou- ouc ouk ouo our owb owc owk owo owu oww ozo ozu ozw ozz rbb rbc rbk rbo rbr rbu rbw rcb rcc rco rcr rcu rcw rkb rkc rkk rko rku rkz rob roc rok roo ror rou row roz rrb rrc rrk rrr rru rub ruc ruk ruo rur ruu ruz rwb rwc rwr rwu rzb rzo ubb ubc ubk ubo ubr ubu ubw ucb ucc uck uco ucr ucu ucw ukb ukc ukk ukr uku ukz uob uoc uok uoo uor uow ur- urb urc urk uro urr uru urw urz uuc uur uuu uwb uwc uwr uww uzb uzo uzu wbb wbc wbo wbr wbw wbz wcb wcc wck wco wcr wcu wcw wkb wkc wko wkr wkw wob woc wok woo wor wou wow woz wr- wrc wrk wro wrr wru wrw wub wuc wuo wur wuz wwc wwo wwu www wzc wzu zbb zbc zbr zbw zco zo- zob zoc zok zoo zor zou zow zro zub zuc zuk zur zuz zzr zzz

bbbb bbrc bbwc bbwr bcbc bccc bcor bcoz bcru bcuc bobb bobo bobu bobw bock boco bocu boko boku boob booc book boor boow booz bor- bork boro borr boru borw borz bouk bour bouw bowk bowr bozo brcb brcw brkb brob broc brok broo bror brou brow broz brrr bruc bruz bubb bubo bubu bucc buck buco bucu bucz bukk buko buku bur- burb burk buro burr buru burz buuz buzz bwoc bzou bzow bzrk bzzz c-bo cbbc cbcc cbcr cbcu cbko cbkr ccbc cccb cccc cccu cckw ccob ccoc ccow ccrc ccuc ckbc ckck ckco ckcw ckob ckoc ckoo ckor ckrc ckrw ckwr ckww cobb cobo cobu cock coco cocu cok- coko coob cook cor- corb corc cork coro corr coub couk cour cozz crbc crbu crcc crcr crcz crkc crob croc crok croo cror crow croz crub cruk cruz cub- cubb cucc cuck cuk- curb curo curr cuzo cwrw kbbb kbbc kbbk kbbo kbbr kbbu kbbw kbbz kbcb kbck kbco kbcr kbcu kbcw kbcz kbkb kbkk kbko kbkr kbkw kbkz kbob kboc kbok kboo kbow kboz kbrb kbrc kbrk kbro kbru kbrw kbrz kbub kbuc kbuk kbur kbuu kbuw kbuz kbwb kbwc kbww kbwz kbzc kbzo kbzu kbzz kcbc kcbk kcbr kcbu kcbw kccb kccc kcck kccr kccu kckc kckk kcko kckr kckz kcob kcor kcou kcow kcoz kcrc kcro kcrr kcru kcrw kcrz kcub kcuk kcuz kcwb kcwc kcwk kcwr kcwu kczo kczz kkbb kkbo kkbr kkbz kkcb kkck kkco kkcr kkcw kkkk kkob kkoo kkor kkow kkoz kkrb kkrc kkrk kkro kkrr kkrz kkuu kkwb kkwk kkzu kkzz kobb kobc kobk kobo kobr kobu kocb kock kocw kokb kokc kokk koko kokr koku kokz koob kooc kook kooo koor koou kooz korb korc kork koro korr koru koub kour kouu kouw kowb kowr kowz kozb kozk kozo kozr kozu krbb krbk krbr krbw krbz krcb krcc krco krcu krcw krkc krkk krko krkr krku krkw krkz krob kroc krok kroo kror krow kroz krrb krrc krrk krro krrr krrw krrz kruc kruk krur kruz krwb krwc krwk krwr krzk krzr krzz kubb kubc kubo kubr kubu kucb kucc kuco kucr kucw kukk kuku kuok kuoo kuow kurb kurk kuro kurr kuru kurz kuub kuuk kuur kuuu kuuz kuwc kuwr kuww kuwz kuzu kuzz kwbc kwbu kwbw kwbz kwck kwcr kwkb kwkc kwkk kwkr kwkw kwkz kwoc kwok kwor kwow kwoz kwrb kwrk kwro kwrr kwru kwrw kwrz kwub kwur kwuz kwwk kwwr kzbb kzbk kzbr kzbz kzcr kzkr kzkz kzoo kzor kzoz kzrb kzrc kzrk kzro kzrr kzrz kzuu kzuw kzuz kzwb kzwc kzzb kzzk kzzo kzzr kzzz obbo obkb obok obor obro ocbc occc ocro ocrr ocur okcu okko okok okor okro okur oocr ooku oooo orbb orbo orbu orco orko oro- orok oror oroz orro orub orwo orzk orzo orzu oucc our- ouro ouu- ouzo owow owur rbbb rbbr rcbc rcbo rccb rccc rob- robb robo robu rocc rock roco rokk roko rokr roku roob rook roor rooz rorc rork roro roru roub rouk rouz rowb rowk rowr roww rozz rrrr rubb rubu ruck rukk ruku ruok rurc ruro ruru ubbo uboc ucbc ucoz ucrc ukcc ukko ukok ukrc ukur uocc uor- uro- urok uroo uruk urur uruz uuoc uuuu wbbb wbbk wbbo wbbr wbbw wbbz wbcb wbck wbco wbcr wbcu wbcw wbkb wbkk wbko wbkr wbku wbkw wbkz wbob wboc wbok wbor wbow wboz wbrb wbrc wbrk wbrr wbru wbrw wbuc wbuk wbuw wbuz wbwb wbwc wbwo wbwz wbzc wbzo wbzr wbzu wbzw wbzz wcbc wcbr wcbu wcbw wccb wccc wcck wcco wccr wccu wccw wckb wckk wckr wckw wcob wcoc wcok wcoo wcor wcou wcoz wcrb wcrc wcrk wcro wcrr wcru wcrw wcrz wcub wcur wcuw wcwb wcwc wczr wczz wkbc wkbk wkbo wkbu wkbw wkbz wkcb wkco wkcw wkkb wkkc wkko wkkr wkkw wkkz