cccc ccci cccm ccee ccic ccii ccim ccir ccix ccmc ccmm ccrc ccre ccri ccxi cec- cece ceci cecm ceec ceem ceim ceme cemm cemr cer- cerc cere ceri cexe cicc cici cicr ciee cier ciii cime cimi cimm cimr circ cire ciri cirm cirr cixi cmcc cmec cmii cmir cmix cmmc cmmi cmri cmrr crcc crce crcr cre- crec cree crei crem crex cric crie crim cxii cxix cxxi cxxx eccc ecce ecci eccm ecem ecim ecmi ecrc ecri ecrm ecrr eeee eerc eiec eiei eier eime eimi eire emcc emer emex emic emii emim emir emix emme emmi emre er-x ercc erce erec erei erem erer eric erie erim ermc erme errc erre exec exer exim exmr exrx iccc icci iccr icec icee icem icer icex icmc icme icmi icmm icrc icre icrm icrr iecc ieie ieme iere ieri iiie iiii iimc iirc imci imec imer imir imix imme immi imrc imre imri imrr ircc ircx iree irem irer irex iri- iric irie irix irmc irrc irre irri ixxi mccc mcci mccx mcic mcii mcix mcmc mcmi mcmx mcrc mcri mcxc mcxi mec- mecc mece mecr meem meer meic meir memc meme memr memx mer- merc mere meri merm mexx micc mice mici micr miee miem mier miii mim- mime mimi mirc mire miri mirr mixe mixi mixx mmcc mmci mmcm mmcx mmic mmii mmix mmmc mmmm mmrc mmxi mmxx mr-c mrcc mrce mree mrmc mrrc mxii mxim mxxi rccc rcic recc rece reci recm recr reem reii reim reir reme remi rere reri rexx ricc rice riem rier riex rime rimi rimm rire riri rixc rixe rrmc rrrr xcii xcri xeer xeme xer- xexe xiii xixi xmii xxii xxix xxxi xxxx