cccc cccf ccci cccs ccfc ccff ccfi ccic ccii ccir ccis ccrc ccrf ccri ccrs ccsf ccsi ccss cfcf cfcs cffr cfsi cicc cici cicr cics ciff cifs ciii ciis circ ciri cirr cirs cis- cisc cisr ciss crcc crcr crfc crfs cric crif cris crss cscc cscf csci cscr cscs csfc csfr csir csis csrc csrs cssr fccf fcic fcii fcsc ffcc ffff ffii ffrr ffss ficc fics fifc fiff fifi fiii firs fisc fisi fiss frcc frfc fric fris frsc fscc fsfi fssc fssf iccc iccf icci iccr iccs icis icrc icrf icrr icrs icsc icsi icsr icss ific ifis ifrf ifri ifsc iiii iiis iirc iirs iisc iisi iisr ircc ircs iri- iric iris irrc irri irrs irsf iscc isci iscr iscs isfc isic isis isri issc issf issi issr isss rccc rccs rcfc rcic rcis rcsc rcsi rcss rffc rfic ricc rics riff rifs riif riis riri rirs risc risi riss rrfc rrif rrrr rscc rscs rsfc rsis s-ic s-ii sccc sccs scfc scfi sci- scic scif scir scis scr- scrc scri scrs scsc scsi scsr sfcc sfcs sffc sfrc sfss sicc sici sics siff sifr sirc sirf siri sirr sirs sisc sisi siss srcc srfc srfi sris sscc ssci sscs ssfc ssis ssrc ssri ssrs sssc sssf sssi ssss