cccc cccf ccci ccee ccfc ccff ccfi ccic ccii ccix ccoc cctc cctt ccxi cec- cece ceci ceco cect ceec cef- cefc cet- cete ceti ceto cexe ceyx cfcf cfco cfcy cfit cfix cfox cftc cfte cicc cici cico cict ciee cife ciff ciii ciit cite citf citi cito citt city cixi coce coco coct coex cofc cofe coff cofi coft coif coit coix coof coot cotc cote coti coto cott coty coxe coxy coyf coyo coyt ctcf ctec ctfc ctfo ctic ctot cxii cxix cxxi cxxx cyc- cycc cyfe cyfi cyft cyt- cyte cyto cyy- cyyc eccc ecce ecci ecco ecct ecef ecfc ecit eco- ecot ect- ectc ectf ecto eeee eefe eeoc eetc eete eext efco efeo efet effi effy efic efit eft- eico eiec eiei eitc eiti eito eotc eoto etcc etco etec etee etfc etfe etic etio etix etoe etox etoy ette etti etto etty exco exec exfo exif exit exo- exte exxy eyec eyet eyey eyfi eyio eyot eyte fccf fcic fcii fcot fcto fcty fece fect feet fefc fefe feff fefi fefo feie feio feit feof fete feti fett fext feyt ffcc ffee ffff ffii fftf ficc fice fico fict fiec fief fifc fife fiff fifi fifo fift fiii fioe fitc fite fiti fitt fixe fixt fixx fixy foce foci foco fofo foie foix foof foot fote foti foto fott foty foxe foxx foxy foyt ft-c ftfc ftfy ftii fyce fyeo fyfe fyfi fyti iccc iccf icci icco icct icec icee icef icet icex icey icoc iecc ieet ieie ieio ietf iett ifco ifex iffy ific ifit ifto ifyo iiie iiii iiio iiit iioi iioo iitt ioci ioee iofc ioii ioio ioit ioof iooi iooo iote iotf ioto itec itet itex itic itie itif itof itoi itoo ittf itto itty ixxi iyet o-eo 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 ooff oofy oooo ooty otee otfc otic otif otit oto- otoe otof otoo otoy otte otti otto oxi- oxic oxie oxo- oxof oxox oxxo oxy- oyce oyee tccc tcfc tctc teco tect teec teef teet tefc teff tefi teft teic teie tete teti teto tett tetx text teye tfec tfot tfox tftc ticc tice tico tie- tiee tief tiei tieo tiet tiff tifo tift tiit titc tite titi tito titt tixt tiye tiyi tiyo to-y toce toci toco toee toei toet toey toff tofi tofo toft toie toit toof toot totc tote toti toto tott toty tox- toxi toxo toxt toyo toyt tteo ttfc ttff ttoe ttoy tttt txii tyce tyco tyee tyet tyfe tyff tyft tyte tyti tyto tytt tyty tyxt x-fi xcii xefe xexe xfce xico xify xiii xito xixi xoco xote xoxo xoyo xtie xxii xxix xxxi xxxo xxxx xxxy yccc ycee ycie yctc yeet yefe yeff yeft yeie yeii yeit yeof yeot yeox yete yeti yeto yett yext yeye yeyi yeyo yfet yfte yiet yiff yift yite yiti yoff yoit yoix yoof yoot yote yott yoxe yoye yoyo yyfe yyff yyyy