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 citi cits citt cscc cscd csci cscs csid csis csit cssd cstc cstd csts ctic ctsc ctss ctts dccc dcci dccs dcct dcds dcii dcis dcsc dcss dctc dcts dddd ddss ddts dici dict didi dids diii diis dis- disc disd disi diss dist diti dits ditt dscc dscs dssc dssi dsst dstc dsts dtcc dtss 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 istc istd isti ists itcs itic itis itsi s-ic s-ii sccc sccs scct 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 siit sisc sisd sisi siss sist sit- sitc sitd siti sits sitt 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 tccc tcdd tctc tcts tdis tdss ticc tics tidc tidd tids tiit tisi tiss tist titc titi tits titt tscc tsid tsis tssi tsst tstc tsts ttss tttt