bbbb bbci bbeb bbet bcbc bcbp bccc bcci bcec bcet bcie bcit bcpp bctc bcuc bcup bebb bebe bebi bebo beci becu beeb beep beet beic beit beo- beot bepo betc bete beti beto bett betu bibb bibe bibi bibo bicc bice bici bico bieb biet bieu bio- bioc bioi biot biou bipp bipu bitc bite bito bitt bitu bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boep boet boi- boie boii boit boiu boob booc booe boop boot bope bopp botb bote boti boto bott boue boup bout bpcp bpoe bpot bpti btbp btcc btec btie btob bttb bubb bube bubi bubo bubu bucc buce buci buco bucu bueu buic buie buit buiu bupc but- bute buti buto butt c-bo cbbc cbcc cbce cbcp cbct cbcu cbec cbee cbet cbit cbot cbpc cbpp cbtc ccbc cccb cccc ccci cccp cccu ccee ccic ccii ccip ccob ccoc ccpe ccpp cctb cctc cctt ccuc ccup ccut cebp cebu cec- cece ceci ceco cecp cect ceeb ceec ceip ceop ceou cepc cepe cepo cepp cept cet- cete ceti ceto cetp ceui cibc cibe cibi cibo cicc cici cico cict cicu ciee ciii ciit ciob cipo cipp citb cite citi cito citp citt citu ciuc ciup cobb cobe cobi cobo cobu coce coco cocp coct cocu coep coip coit coob coop coot cope copi copo copp copt cotb cotc cote coti coto cott cotu coub coue coup cout cpbc cpce cpcu cpeb cpep cpic cpio cptp ctbi ctcp ctec ctep ctic ctot ctpo ctpp cub- cubb cube cubi cucc cuce cuci cui- cuit cupe cupo cupp cut- cutc cute cuto cutt ebbc ebbo ebcc ebic ebit eboe eboo ebpo ecbc ecbe eccb eccc ecce ecci ecco ecct ecib ecip ecit eco- ecop ecot ecou ecpp ect- ectc ecto eeee eeoc eetc eete eetu eico eiec eiei eiou eipo eitb eitc eiti eito eotc eoto epcc epci epec epee epi- epic epie epip epit epoc epot eppc eppo eppp epte epub etbc etcc etco etec etee etic etio etoe ette etti etto ettu etui eubc eubi euoi i-be ibec ibet ibie ibot ibtb ibtc icbc icbp iccb iccc icci icco iccp icct iccu icec icee icet icoc icpc icpo ictp icub icue icup iecc ieet ieie ieio iett iiie iiii iiio iiit iioi iioo iiop iitt iiuc iobi ioci iocp ioee ioii ioio ioit iooi iooo iote ioto ipcc ipce ipct ipec ipet ipie ipoe ipop ippc ippo iptc ipto iput itbe itec itep itet itic itie itoi itoo itou itpc itto itup iucc iuce iuiu iupp o-eo obbo obec obet obie obit oboe oboi obot ocbc occc occi occt oce ocee ocet ocpp oct- octe octi octo oec- oecc oeec oeti oici oiii oipc oitc oiti oobe oobi oooo ootb ootp opec opei opep opet opic opie opii opio opit opo- oppi oppo opti opto otee otep otic otit oto- otoe otoo otpp otte otti otto ottu oucc ouie ouii ouit oupe out- outb oute outi outo ouu- pbcc pboc pcbc pccc pcce pcep pcip pcoe pcpb pcpp pcte pece peci peco pect peec peep peet peio peip peit peou pepe pepi pepo pete peti peto pett peut pibb pibi picc pice pici pico pict picu piep piet piip piob piot pipe pipi pipo pipp pite piti pito pitt pitu pobo poce poco poet poio poop poot pop- popc pope popi popo popp popt potc pote poti poto pott potu poui poup pout ppcc ppci ppib ppic ppie pppo pppp pptt ptcc ptop pttc ptui pu-e pube pubu puce pueo puet pueu puit puiu pupe pupi pupu put- pute puti puto putt putu puuc tbcb tbcc tbce tbit tbtp tccc tccu tcep tcpo tctc tebo tebu teco tect teec teet teic teie teip teiu tepe tepi tepp tepu tete teti teto tett tetu teut tibi tibu ticc tice tico tie- tiee tiei tieo tiep tiet tiit tiiu tiop tiou tip- tipc tipe tipi tipo tipp tipt tipu titc tite titi tito titp titt titu tobe tobi tobo tobt tobu toce toci toco toee toei toet toie toit toot top- tope topi topo topp topt topu totc tote toti toto tott toui toup tout tpcp tppp tpte tptp tput ttbb ttcp tteo ttoe ttop tttt tubb tube tubo tubu tucc tuco tuei tuet tuit tuiu tupe tupi tupo tupu tute tuti tuto tutt tutu tuuo u-ie ubbe ubbi ubbo ubet ubic ubii ubit uboc ubpc ucbc ucci uccp ucio ucpb ucut uepi uipi uocc upbe upci upic upie uppc uppe uppp uppu upto upup utec utep utti utto uttu uucp uuoc uuuu