c-cd cccc ccci ccdc ccdi cced ccee ccic ccid ccii ccix cctc cctt ccxi cd-e cdec cdex cdic cdii cdxi cec- cece ceci cect cedd cede cedi cedt ceec cet- cete ceti cexe cicc cici cict cidc cide cidi cidt ciee ciid ciii ciit cite citi citt cixi ctec ctic cxii cxix cxxi cxxx d-ix dccc dcci dcct dcii dcix dctc dcxi dcxx dddd ddie dec- decc decd dece deci dect dedd dede dedi deed deet deid deie deit dete dex- dexe dext dice dici dict dide didi died diet diex diii dite diti ditt dixi dtcc dted dttx dtxt dxcc dxci dxdc dxec dxed dxii dxix dxxx eccc ecce ecci ecct ecdc eced ecit ect- ectc eddc edde eddi ede- edei edex edie edit eede eeee eetc eete eext eid- eide eidi eiec eied eiei eitc eiti etcc etec etee etic etix ette etti exec exed exid exit exte iccc icci icct icdc icdd icde icec iced icee icet icex idce idec ided idee idex idic idid idie iecc ieet ieie iett iicd iide iied iiie iiii iiit iitt itec itet itex itic itie ixxi tccc tcdd tctc tect tedd tede tedi tedx teec teed teet teic teie tete teti tett tetx text ticc tice tidc tidd tide tie- tied tiee tiei tiet tiit titc tite titi titt tixt tttt txii x-ed xcii xdcc xexe xidi xiii xixi xtie xxii xxix xxxi xxxx