c-cd cccc ccci cccs ccdc ccdi ccdr ccds cced ccee ccic ccid ccii ccir ccis ccix ccrc ccre ccri ccrs ccsd ccsi ccss ccxi cd-e cd-r cdcs cddr cdec cder cdes cdex cdic cdii cdis cdre cdrs cdss cdxi cec- cece ceci cecs cedd cede cedi ceec cees cer- cerc cerd cere ceri cers cesc cese cesi cesr cess cexe cicc cici cicr cics cidc cide cidi cidr cids ciee cier cies ciid ciii ciis circ cire ciri cirr cirs cis- cisc cisd cise cisr ciss cixi crcc crce crcr crdc cre- crec cred cree crei cres crex cric crie cris crss cscc cscd csce csci cscr cscs csdr csec csee cser csid csir csis csix csrc csrd csrs cssd csse cssr cxii cxix cxxi cxxx d-ix dccc dcci dccs dcds dcii dcis dcix dcsc dcss dcxi dcxx dddd ddes ddie ddrc ddre ddss dec- decc decd dece deci decs dedd dede dedi deed deer dees deid deie deir deis der- derc dere deri derr ders des- desc dese desi dess dex- dexe dice dici dide didi dids died dier dies diex diii diis dird dire dirr dirs dis- disc disd dise disi diss dixi dred dree drei dres dric drie drix drrs dscc dscr dscs dsdr dsei dsrc dsri dsrr dssc dssi dxcc dxci dxdc dxdr dxds dxec dxed dxes dxii dxix dxrd dxre dxrr dxrx dxss dxxr dxxx eccc ecce ecci ecdc eced eces ecis ecrc ecri ecrr ecsc ecse ecss eddc edde eddi edds ede- edei eder edes edex edie edis edss eecs eede eeee eees eerc eers eese eesi eics eid- eide eidi eidr eiec eied eiei eier eies eird eire eirs eisd eise eiss er-x ercc erce erde erdi erds erec ered erei erer eres eric erie eris errc erre errs erse ersi esce esci escr escs esdi esds esdx esee eser eses esie esis esrd esri esse essi exec exed exer exes exid exis exrx iccc icci iccr iccs icdc icdd icde icec iced icee icer ices icex icis icrc icre icrr icrs icsc icsd icse icsi icsr icss idce idcr idec ided idee ider ides idex idic idid idie idir idis idrc idre idsc idse idss iecc iedr ieds ieie iere ieri iers iesc iesi iesr iicd iide iied iies iiie iiii iiis iirc iirs iisc iisd iisi iisr ircc ircd ircs ircx irdc irds ired iree irer ires irex iri- iric irid irie iris irix irrc irre irri irrs irse iscc iscd isci iscr iscs isdc isde isds isec ised isee iser ises isic isie isis isri issc isse issi issr isss ixxi rccc rccs rcdc rcde rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rder recc recd rece reci recr recs redc redd rede redi redr reds redx reed rees reid reii reir reis rerd rere reri rers rese resi ress rexx ricc rice rics ridc ridd ride ridi rids ridx ried rier ries riex riis rire riri rirs risc risd rise risi riss rixc rixe rred rrrr rscc rscs rsdd rsds rsee rsid rsis rsre rxes s-ic s-ii sccc scce sccs scdc scds scec scee scer sci- scic scid scie scir scis scr- scrc scre scri scrs scsc scsd scsi scsr sdcc sddc sdds sder sdes sdic sdrc sdrs sdsc sdss se-c se-d se-e se-i se-s se-x sec- secc secd sece secr secs sede seds seec seed seer sees seex seid seie seii seir seis seix serc serd sere seri serr sers sesc sese sesi sess sex- sexe sexi sicc sice sici sics sidd side sidi sidr sids siec sied sier sies siex sirc sire siri sirr sirs sisc sisd sise sisi siss sixe sixx srcc srde srec sres sris srsd sscc ssce ssci sscs ssdc ssdd ssec ssee sses ssex ssid ssis ssrc ssri ssrs sssc sssi ssss sxde x-ed xces xcii xcis xcri xdcc xeer xer- xers xexe xics xidi xiii xisi xixi xrcd xrds xxii xxix xxxi xxxx