c-cd cccc cccp ccdc ccdp cced ccee ccpe ccpp cctc cctt cd-e cdec cdex cec- cece cecp cect cedd cede cedt ceec cepc cepe cepp cept cet- cete cetp cexe cpce cpep cppd cptp ctcp ctec ctep ctpp cxxx dccc dccp dcct dctc dcxx dddd dec- decc decd dece dect dedd dede deed deep deet depc depe depp dept dete dex- dexe dext dpcp dpdt dppc dppx dtcc dtdp dted dttp dttx dtxt dxcc dxdc dxec dxed dxep dxxx eccc ecce ecct ecdc eced ecpd ecpp ect- ectc eddc edde eddp ede- edex eede eeee eetc eete eext epcc epec epee eppc eppp epte epxp etcc etec etee ette exec exed expt exte pccc pcce pcep pcpp pcte pdcp pdtc pece pect ped- pede peec peed peep peet pepd pepe pete pett ppcc ppcd pppd pppp pptt ptcc ptdc ptpd pttc tccc tcdd tcep tctc tect tedd tede tedx teec teed teet tepe tepp tete tett tetx text tpcd tpcp tped tppd tppp tpte tptp ttcp tttt x-ed xdcc xexe xpcc xtep xxxx