c-cd cccc ccci cccs ccdc ccdi ccds ccic ccid ccii ccis ccsd ccsi ccss ccst cctc cctt cdcs cdic cdii cdis cdss cicc cici cics cict cidc cidi cids cidt ciid ciii ciis ciit cis- cisc cisd ciss cist cisy citi cits citt city cscc cscd csci cscs csid csis csit cssd cstc cstd csts csys ctic ctsc ctss ctts cyc- cycc cycs cyds cyst cyt- cyy- cyyc dc-y dccc dcci dccs dcct dcds dcii dcis dcsc dcss dctc dcts dddd ddss ddts dici dict dicy didi dids didy diii diis dis- disc disd disi diss dist disy diti dits ditt diyi dscc dscs dssc dssi dsst dstc dsts dtcc dtss dycd dydd dyit dys- dysi dyss dyst dyt- dytc dyty iccc icci iccs icct icdc icdd icis icsc icsd icsi icss icst icts idic idid idis idsc idss idts iicd iiii iiis iiit iisc iisd iisi iist iitt iscc iscd isci iscs isct isdc isds isic isis isit issc issi isss issy istc istd isti ists isty isys itcs itic itis itsi itsy itty s-ic s-ii sccc sccs scct sccy scdc scds sci- scic scid scis scit scsc scsd scsi scst sctc sctd scts sdcc sddc sdds sdic sdsc sdss sicc sici sics sidd sidi sids sidy siit sisc sisd sisi siss sist sisy sit- sitc sitd siti sits sitt sity siyi sscc ssci sscs ssdc ssdd ssid ssis ssit sssc sssi ssss sstc sstd ssts stcc stcs stds stic stid stis stit stsi stss sttc sttd styd stys sydi syds syis syss syst sytt tccc tcdd tctc tcts tdis tdss ticc tics tidc tidd tids tidy tiit tisi tiss tist titc titi tits titt tiyi tscc tsid tsis tssi tsst tstc tsts tsys ttss tttt ttyd ttys tydd tydi tydy tyss tyst tytd tyti tytt tyty yccc yctc ydyt yidi yids yiss yist yiti ysii yyyy