cccc ccci cccp cccs ccic ccii ccip ccir ccis ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsp ccss cicc cici cicr cics ciii ciis cipp cips circ ciri cirr cirs cis- cisc cisp cisr ciss cpcs cpic cpps cpri cprs cpsc cpsr crcc crcr cric crip cris crpc crps crsp crss cscc csci cscr cscs csir csis cspc cspi csps csrc csrs cssr iccc icci iccp iccr iccs icis icpc icps icrc icrr icrs icsc icsi icsp icsr icss iiii iiis iirc iirs iisc iisi iisp iisr ipcc ipcs ippc ippr ipri ipsc ipsi ipsp ipss ircc ircs iri- iric irip iris irpc irps irrc irri irrs irsp iscc isci iscp iscr iscs isic isis ispc ispr isps isri isrp issc issi issp issr isss pccc pccs pcip pcpp pcps pcrc picc pici picr pics piip pipi pipp pips pirc piri pirr pirs pisi piss ppcc ppci ppcs ppic pppp ppps pprc ppss prcc prcp prcs pri- prii pris prps prri prrs prsc prsi prss psci psip psis pspi pspp pspr psps psrp pssc rccc rccs rcic rcis rcpi rcps rcsc rcsi rcss ricc rics riis ripi ripp ripr rips riri rirs risc risi risp riss rpcs rpii rpps rrrr rrsp rscc rscs rsis rsps s-ic s-ii sccc sccp sccs sci- scic scip scir scis scpi scps scr- scrc scri scrs scsc scsi scsr sicc sici sicp sics sipc sipi sipp sips sirc siri sirp sirr sirs sisc sisi siss spcc spcs spic spip spir spis spps spri sprs spsp spss srcc sris srpc srps srsp sscc ssci sscp sscs ssis sspc ssps ssrc ssri ssrs sssc sssi ssss