cccc cccf ccci cccs cccv ccfc ccff ccfi ccic ccii ccir ccis cciv ccrc ccrf ccri ccrs ccsf ccsi ccss ccvi ccvs cfcf cfcs cffr cfsi cicc cici cicr cics ciff cifs ciii ciis circ ciri cirr cirs cis- cisc cisr ciss cisv civc crcc crcr crfc crfs cric crif cris crss cscc cscf csci cscr cscs csfc csfr csir csis csrc csrs cssr cvcc cvfr cvii cvrr cvss fccf fcic fcii fcsc ffcc ffff ffii ffrr ffss ffvs ficc fics fifc fiff fifi fiii firs fisc fisi fiss fr-v 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 irvs iscc isci iscr iscs isfc isic isis isri issc issf issi issr isss ivcf ivic ivrs rccc rccs rcfc rcic rcis rcsc rcsi rcss rcvr rcvs rffc rfic ricc rics riff rifs riif riis riri rirs risc risi riss rivs rrfc rrif rrrr rscc rscs rsfc rsis rv-c s-ic s-ii s-iv sccc sccs scfc scfi sci- scic scif scir scis sciv 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 sivi srcc srfc srfi sris sscc ssci sscs ssfc ssis ssrc ssri ssrs sssc sssf sssi ssss svcc svcs svfc svic svir svsc vcci vcrs vfcc vic- vici vics viff viii virc viri virr visc visi viss vivi vrci vris vrsi vscf vsfs vsic vssc vvvv