c-cd cccc ccdc ccdh cced ccee cche cctc cctt cd-e cdec cdex cec- cece cect cedd cede cedt ceec cet- cete cexe chce chch chec ched chee cheh chet chex chtt ctec cxxx dccc dcct dche dctc dcxx dddd dec- decc decd dece dect dedd dede deed deet dete deth dex- dexe dext dhec dhed dhee dtcc dted dthd dttx dtxt dxcc dxdc dxec dxed dxht dxxx eccc ecce ecct ecdc eced eche echt ect- ectc ecth eddc edde ede- edeh edex eede eeee eetc eete eeth eext ehcc ehdd eheh ehte etcc etch etec etee eth- ethe ette exch exec exed exh- exte hccc hcch hdtt hech hect hedd hede heed heet hehe hete heth hett hex- hexe hext hhex hhhh htcc htet tccc tcdd tch- tche tchh tctc tech tect tedd tede tedx teec teed teet tete teth tett tetx text thch the- thec thed thee thet thex tttt x-ed xdcc xexe xxxx