c-cd cccc ccci ccdc ccdi ccdr cced ccee ccic ccid ccii ccir ccix ccrc ccre ccri ccrt cctc cctt ccxi cd-e cd-r cddr cdec cder cdex cdic cdii cdre cdxi cec- cece ceci cect cedd cede cedi cedt ceec cer- cerc cerd cere ceri cert cet- cete ceti cexe cicc cici cicr cict cidc cide cidi cidr cidt ciee cier ciid ciii ciit circ cire ciri cirr cirt cite citi citt cixi crcc crce crcr crdc cre- crec cred cree crei cret crex cric crie crit crrt crtc ctec ctic ctrc cxii cxix cxxi cxxx d-ix dccc dcci dcct dcii dcix dctc dcxi dcxx dddd ddie ddrc ddre dec- decc decd dece deci dect dedd dede dedi deed deer deet deid deie deir deit der- derc dere deri derr dete detr dex- dexe dext dice dici dict dide didi died dier diet diex diii dird dire dirr dirt dite diti ditt dixi dred dree drei dret dric drie drit drix dtcc dted dttx dtxt dxcc dxci dxdc dxdr dxec dxed dxii dxix dxrd dxre dxrr dxrt dxrx dxxr dxxx eccc ecce ecci ecct ecdc eced ecit ecrc ecri ecrr ect- ectc eddc edde eddi ede- edei eder edex edie edit eede eeee eerc eetc eete eext eid- eide eidi eidr eiec eied eiei eier eird eire eitc eiti eitr er-x ercc erce erde erdi erec ered erei erer eret eric erie erit errc erre etcc etec etee eter etic etix etre ette etti exec exed exer exid exit exrx exte extr iccc icci iccr icct icdc icdd icde icec iced icee icer icet icex icrc icre icrr icrt idce idcr idec ided idee ider idex idic idid idie idir idrc idre iecc iedr ieet ieie iere ieri iett iicd iide iied iiie iiii iiit iirc iitr iitt ircc ircd ircx irdc ired iree irer irex iri- iric irid irie irix irrc irre irri irte irti itec iter itet itex itic itie itri ixxi rccc rcdc rcde rcet rcic rcid rcrd rctc rcti rder recc recd rece reci recr rect redc redd rede redi redr redx reed reet reid reii reir reit rerd rere reri rert retd rete reti retr rett rexx ricc rice rict ridc ridd ride ridi ridx ried rier riet riex rire riri rite riti ritt rixc rixe rred rrrr rtcc rtce rtdt rtee rtei rtex tccc tcdd tctc tdri tecr tect tedd tede tedi tedx teec teed teer teet teic teie teir ter- terc tere teri terr tete teti tetr tett tetx text ticc tice tidc tidd tide tie- tied tiee tiei tier tiet tiit tird tire tiri tirr titc tite titi titt tixt trcc tre- trec tred tree trei tret trex tri- tric trie trit trix trtc trte trtr tter tttt txii txtr x-ed xcii xcri xdcc xeer xer- xert xexe xidi xiii xixi xrcd xtie xxii xxix xxxi xxxx