bbbb bbci bbeb bbet bbfc bboy bbyo bcbc bccc bcci bcec bcet bcfc bcie bcit bcof bctc bebb bebe bebi bebo beby beci beeb beef beej beet beey befe beff befo beft beic beij beit beo- beof beot betc bete beti beto bett beye beyi beyt bftt bibb bibe bibi bibo bicc bice bici bico bieb bief biet biff bifi biji bio- bioc bioi biot bitc bite bito bitt bjcc bjec bjfe bobb bobe bobi bobo boby boce boco boec boee boef boeo boet boey bofe boff boi- boie boii boit boji bojo bojt boob booc booe boof boot botb bote boti boto bott boty boye boyf boyi boyo btcc btec btfc btie btob bttb byce byit byob byoc byoi byte c-bo cbbc cbcc cbce cbct cbec cbee cbef cbet cbfb cbfc cbit cbot cbtc cbtf cbyt ccbc cccb cccc cccf ccci ccee ccfc ccff ccfi ccic ccii ccjo ccob ccoc cctb cctc cctt cec- cece ceci ceco cect ceeb ceec cef- cefc cejc cet- cete ceti ceto cfbc cfbt cfcb cfcf cfco cfcy cffb cfit cftc cfte cibc cibe cibi cibo cicc cici cico cict ciee cife ciff ciii ciit ciob citb cite citf citi cito citt city cjbc cjcb cjcj cjcy cjfb cjic cjob cjoi cjoy cjye cobb cobe cobi cobo coby coce coco coct cofc cofe coff cofi coft coif coit cojo coob coof coot cotb cotc cote coti coto cott coty coyf coyo coyt ctbi ctcf ctec ctfc ctfo ctic ctot cybb cybc cybi cybo cyc- cycb cycc cyfe cyfi cyft cyjo cyt- cytb cyte cyto cyy- cyyc ebbc ebbo ebby ebcc ebfc ebic ebit eboe eboo eboy ecbc ecbe eccb eccc ecce ecci ecco ecct ecef ecfc ecib ecit eco- ecot ect- ectc ectf ecto eeby eeee eefe eeoc eetc eete efco efeo efet effi effy efic efit eft- eico eiec eiei eiji eitb eitc eiti eito ejby ejit ejji ejob ejoo ejot eotc eoto etbc etcc etco etec etee etfb etfc etfe etic etio etoe etoy ette etti etto etty eyeb eyec eyet eyey eyfi eyio eyot eyte fccf fccj fcic fcii fcot fcto fcty febo fece fect feeb feet fefc fefe feff fefi fefo feie feio feit feof fete feti fett feyt ffcc ffee ffff ffii fftf fibe ficc fice fico fict fiec fief fifc fife fiff fifi fifo fift fiii fiji fioe fitc fite fiti fitt fobt foce foci focj foco fofo foie foje foof foot fote foti foto fott foty foyt ft-c ftfc ftfy ftii fyce fyeo fyfe fyfi fyti i-be i-by ibec ibet ibfi ibie ibot ibtb ibtc ibyi icbc iccb iccc iccf icci icco icct icec icee icef icet icey icfb icoc iecc ieet ieie ieio ietf iett ifbb ifby ifco iffy ific ifit ifto ifyo iiie iiii iiio iiit iioi iioo iitt ijet ijji iobi ioby ioci ioee iofc ioii ioio ioit ioof iooi iooo iote iotf ioto itbe itby itec itet itic itie itif itof itoi itoo ittf itto itty iyet jbob jcbc jccc jcci jebb jebe jeci jeet jefe jeff jeit jetb jete jeti jett jfet jibb jibe jibi jiet jiff jije jiji jiti jito jiye jjcc jobe jobo joby joce joco joee joey joie joio joit joji jojo joof joot joto jott joye joyo joyt jtbc jtcc jybe jyce o-eo obbo obby obec obet obey obie obit oboe oboi obot oboy ocbc occc occi occt oce ocee ocef ocet oct- octe octi octo octy oec- oecc oeec oeti oeye oeyo off- offc offe offo offy ofit oici oiii oitc oiti ojoy oobe oobi ooby ooff oofy ooij ooji oooo ootb ooty otee otfc otic otif otit oto- otoe otof otoo otoy otte otti otto oyce oyee tbcb tbcc tbce tbit tbyf tcby tccc tcfc tctc tebo teco tect teec teef teej teet tefc teff tefi teft teic teie tejo tete teti teto tett teye tfeb tfec tfot tftc tibi ticc tice tico tie- tiee tief tiei tieo tiet tiff tifo tift tiit tiji tijo titc tite titi tito titt tiye tiyi tiyo to-y tobe tobi tobo tobt toby toce toci toco toee toei toet toey toff tofi tofo toft toie toit toji tojo toof toot totc tote toti toto tott toty toyb toyo toyt ttbb tteo ttfc ttff ttoe ttoy tttt tybi tybo tyce tyco tyee tyet tyfe tyff tyft tyte tyti tyto tytt tyty ybet yccc ycee ycie yctc yeet yefe yeff yeft yeie yeii yeit yeji yeof yeot yete yeti yeto yett yeye yeyi yeyo yfet yfte yiet yiff yift yiji yite yiti yobi yobo yoff yoit yoji yoof yoot yote yott yoye yoyo yyfe yyff yyyy