cccc ccci cccs cccv ccic ccii ccis cciv ccsi ccss ccst cctc cctt cctv ccvi ccvs cicc cici cics cict ciii ciis ciit cis- cisc ciss cist cisv cisy citi cits citt citv city civc civy cscc csci cscs csis csit cstc csts csys ctic ctsc ctss ctts ctvt cvcc cvii cvss cyc- cycc cycs cyst cyt- cyy- cyyc iccc icci iccs icct icis icsc icsi icss icst icts ictv iiii iiis iiit iisc iisi iist iitt iscc isci iscs isct isic isis isit issc issi isss issy istc isti ists isty isys itcs itic itis itsi itsy itty ivic ivys s-ic s-ii s-iv s-vt sccc sccs scct sccy sci- scic scis scit sciv scsc scsi scst sctc scts sctv sicc sici sics siit sisc sisi siss sist sisy sit- sitc siti sits sitt sity sivi siyi sscc ssci sscs ssis ssit sssc sssi ssss sstc ssts st-v stcc stcs stic stis stit stsi stss sttc stvs stys svcc svcs svic svit svsc syis syss syst sytt sytv tccc tctc tcts ticc tics tiit tisi tiss tist titc titi tits titt tivi tivy tiyi tscc tsis tsiv tssi tsst tstc tsts tsvi tsys ttss tttt ttys tvis tvss tvtv tyss tyst tyti tytt tyty vcci vic- vici vics vict viii visc visi viss vist visy viti vitt vivi vivy vsic vssc vt-i vvvv vyis vyit vyss yccc yctc yiss yist yiti ysii yyyy