c-cd cccc ccci cccs ccdc ccdi ccdr ccds ccic ccid ccii ccir ccis ccrc ccri ccrs ccrt ccsd ccsi ccss ccst cctc cctt cd-r cdcs cddr cdic cdii cdis cdrs cdss cicc cici cicr cics cict cidc cidi cidr cids cidt ciid ciii ciis ciit circ ciri cirr cirs cirt cis- cisc cisd cisr ciss cist citi cits citt crcc crcr crdc cric cris crit crrt crss crst crtc crts cscc cscd csci cscr cscs csdr csid csir csis csit csrc csrd csrs cssd cssr cstc cstd cstr csts ctic ctrc ctrs ctsc ctss ctts dccc dcci dccs dcct dcds dcii dcis dcsc dcss dctc dcts dddd ddrc ddss ddts dici dict didi dids diii diis dird dirr dirs dirt dis- disc disd disi diss dist diti dits ditt dric drit drrs dscc dscr dscs dsdr dsrc dsri dsrr dssc dssi dsst dstc dsts dtcc dtss iccc icci iccr iccs icct icdc icdd icis icrc icrr icrs icrt icsc icsd icsi icsr icss icst icts idcr idic idid idir idis idrc idsc idss idts iicd iiii iiis iiit iirc iirs iisc iisd iisi iisr iist iitr iitt ircc ircd ircs irdc irds iri- iric irid iris irrc irri irrs irti irts iscc iscd isci iscr iscs isct isdc isds isic isis isit isri issc issi issr isss istc istd isti istr ists itcs itic itis itri itrs itsi rccc rccs rcdc rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rctc rcti rcts ricc rics rict ridc ridd ridi rids riis riri rirs risc risd risi riss rist riti rits ritt rrrr rscc rscs rsdd rsds rsid rsis rsts rtcc rtdt rtss rtts s-ic s-ii sccc sccs scct scdc scds sci- scic scid scir scis scit scr- scrc scri scrs scsc scsd scsi scsr scst sctc sctd sctr scts sdcc sddc sdds sdic sdrc sdrs sdsc sdss sicc sici sics sidd sidi sidr sids siit sirc siri sirr sirs sirt sisc sisd sisi siss sist sit- sitc sitd siti sits sitt srcc srct sris srsd srtr sscc ssci sscs ssdc ssdd ssid ssis ssit ssrc ssri ssrs sssc sssi ssss sstc sstd ssts stcc stcs stds stic stid stir stis stit strc strd stri strs stsi stss sttc sttd sttr tccc tcdd tctc tcts tdis tdri tdss ticc tics tidc tidd tids tiit tird tiri tirr tirs tisi tiss tist titc titi tits titt trcc tri- tric tris trit trsd trsi trst trtc trtr tscc tsid tsis tssi tssr tsst tstc tsts ttss tttt