cccc ccci ccee ccic ccii ccoc cctc cctt cec- cece ceci ceco cect ceec cet- cete ceti ceto cicc cici cico cict ciee ciii ciit cite citi cito citt city coce coco coct coit coot cotc cote coti coto cott coty coyo coyt ctec ctic ctot cyc- cycc cyt- cyte cyto cyy- cyyc eccc ecce ecci ecco ecct ecit eco- ecot ect- ectc ecto eeee eeoc eetc eete eico eiec eiei eitc eiti eito eotc eoto etcc etco etec etee etic etio etoe etoy ette etti etto etty eyec eyet eyey eyio eyot eyte iccc icci icco icct icec icee icet icey icoc iecc ieet ieie ieio iett iiie iiii iiio iiit iioi iioo iitt ioci ioee ioii ioio ioit iooi iooo iote ioto itec itet itic itie itoi itoo itto itty iyet o-eo occc occi occt oce ocee ocet oct- octe octi octo octy oec- oecc oeec oeti oeye oeyo oici oiii oitc oiti oooo ooty otee otic otit oto- otoe otoo otoy otte otti otto oyce oyee tccc tctc teco tect teec teet teic teie tete teti teto tett teye ticc tice tico tie- tiee tiei tieo tiet tiit titc tite titi tito titt tiye tiyi tiyo to-y toce toci toco toee toei toet toey toie toit toot totc tote toti toto tott toty toyo toyt tteo ttoe ttoy tttt tyce tyco tyee tyet tyte tyti tyto tytt tyty yccc ycee ycie yctc yeet yeie yeii yeit yeot yete yeti yeto yett yeye yeyi yeyo yiet yite yiti yoit yoot yote yott yoye yoyo yyyy