c-cd cccc ccdc cced ccee ccoc ccod cctc cctt cd-e cdec cdex cdot cec- cece ceco cect cedd cede cedo cedt ceec cet- cete ceto cexe coce coco coct codd code coed coex cood coot cotc cote coto cott coxe ctec ctot cxxx dccc dcct dctc dcxx dddd ddoc ddot dec- decc decd dece deco dect dedd dede dedo deed deet dete deto dex- dexe dext do-x doce doco doct dod- dodd dode dodo dood doot dotd dote doto dott dtcc dted dtot dtox dttx dtxt dxcc dxco dxdc dxec dxed dxoc dxxx eccc ecce ecco ecct ecdc eced eco- ecod ecot ect- ectc ecto eddc edde eddo ede- edex edoc edod eede eeee eeoc eetc eete eext eocd eode eotc eotd eoto etcc etco etec etee etoe etox ette etto exco exec exed exo- exod exte o-eo occc occt oce oced ocee ocet oct- octe octo oddd oded odeo odet odex odoo odot oec- oecc oedo oeec oooo otcd oted otee oto- otoe otoo otte otto oxo- oxox oxxo tccc tcdd tctc teco tect tedd tede tedx teec teed teet tete teto tett tetx text toce toco todd tode todo todt toed toee toet tood toot totc totd tote toto tott tox- toxo toxt tteo ttoe tttt x-ed xdcc xexe xoco xote xoxo xxxo xxxx