c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccds ccfc ccfd ccff ccfi ccic ccid ccii ccis ccsd ccsf ccsi ccss cdcs cdfs cdic cdii cdis cdss cfcf cfcs cfds cfsi cicc cici cics cidc cidi cids ciff cifs ciid ciii ciis cis- cisc cisd ciss cscc cscd cscf csci cscs csfc csid csis cssd dccc dcci dccs dcds dcfc dcfs dcii dcis dcsc dcss dddd ddss dfcc dfcs dfds dici didi dids dif- diff difs diii diis dis- disc disd disi diss dscc dscs dsfc dsif dssc dssi fccf fcds fcic fcii fcsc fdic ffcc ffff ffii ffss ficc fics fidc fidf fids fifc fiff fifi fiii fisc fisd fisi fiss fscc fsfi fssc fssf iccc iccf icci iccs icdc icdd icis icsc icsd icsi icss idfc idic idid idis idsc idsf idss ifcd ific ifid ifis ifsc iicd iiii iiis iisc iisd iisi iscc iscd isci iscs isdc isds isfc isic isis issc issf issi isss s-ic s-ii sccc sccs scdc scdf scds scfc scfi sci- scic scid scif scis scsc scsd scsi sdcc sddc sdds sdfc sdic sdif sdsc sdsf sdss sfcc sfcs sfdc sffc sfss sicc sici sics sidd sidi sids siff sisc sisd sisi siss sscc ssci sscs ssdc ssdd ssdf ssfc ssid ssis sssc sssf sssi ssss