cccc ccci cccs ccic ccii ccir ccis ccrc ccri ccrs ccrt ccsi ccss ccst cctc cctt cicc cici cicr cics cict ciii ciis ciit circ ciri cirr cirs cirt cis- cisc cisr ciss cist cisy citi cits citt city crcc crcr cric cris crit crrt crss crst crtc crts cry- crys cscc csci cscr cscs csir csis csit csrc csrs cssr cstc cstr csts csys ctic ctrc ctrs ctsc ctss ctts cyc- cycc cycs cyrs cyrt cyst cyt- cyy- cyyc iccc icci iccr iccs icct icis icrc icrr icrs icrt icry icsc icsi icsr icss icst icts iiii iiis iiit iirc iirs iisc iisi iisr iist iitr iitt ircc ircs iri- iric iris iriy irrc irri irrs irti irts iscc isci iscr iscs isct isic isis isit isri issc issi issr isss issy istc isti istr ists isty isys itcs itic itis itri itrs itry itsi itsy itty rccc rccs rcic rcis rcsc rcsi rcss rctc rcti rcts rcyc ricc rics rict riis riri rirs risc risi riss rist riti rits ritt rrrr rscc rscs rscy rsis rsts rtcc rtss rtts ryis rysy rytt ryyt s-ic s-ii sccc sccs scct sccy sci- scic scir scis scit scr- scrc scri scrs scry scsc scsi scsr scst sctc sctr scts sicc sici sics siit sirc siri sirr sirs sirt sisc sisi siss sist sisy sit- sitc siti sits sitt sity siyi srcc srct sris srtr sscc ssci sscs ssis ssit ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stic stir stis stit strc stri strs stry stsi stss sttc sttr styr stys sycr syis syrs syrt syry syss syst sytt tccc tctc tcts ticc tics tiit tiri tirr tirs tiry tisi tiss tist titc titi tits titt tiyi trcc tri- tric tris trit trsi trst trtc trtr try- trys tscc tsis tssi tssr tsst tstc tsts tsys ttss tttt ttys tyir tyr- tyrr tyss tyst tyti tytt tyty yccc yctc yirr yiss yist yiti ysii yyyy