cccc ccci cccp cccs ccic ccii ccip ccir ccis ccoc ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsp ccss cicc cici cico cicr cics ciii ciis cior cios cipo cipp cips circ ciri ciro cirr cirs cis- cisc cisp cisr ciss coco cocp coip coir cois coop coos copi copo copp copr cops cor- corc cori coro corp corr cors cosc cosi coso cosp coss cpcs cpic cpio cpos cpps cpri cprs cpsc cpso cpsr crcc crcr cric crip cris croc croo crop cror crpc crps crsp crss cscc csci csco cscr cscs csio csir csis csor csos cspc cspi csps csrc csrs cssr iccc icci icco iccp iccr iccs icis icoc icor icos icpc icpo icps icrc icrr icrs icsc icsi icsp icsr icss iiii iiio iiis iioi iioo iiop iios iirc iirs iisc iisi iisp iisr ioci iocp ioii ioio iooi iooo ioos iops iori iors ioso ipcc ipcs ipop ipos ippc ippo ippr ipri ipsc ipsi ipso ipsp ipss ircc ircs iri- iric irio irip iris iroc irop irpc irps irrc irri irrs irsp iscc isci isco iscp iscr iscs isic isis iso- isoc isop isor isos ispc ispr isps isri isrp issc issi isso issp issr isss occc occi ocis ocos ocpp ocro ocrr ocrs oici oiii oios oipc oisc oocr oooo ooos oops oosi opic opii opio opis opo- opor opos oppi oppo opps opsi orci orco orcs ori- oric orio oris oro- oror oros orpc orpi orps orri orro orrs orsi orso oscc osci osco osii osip osis osoi osoo osor osos osro ossi osso pccc pccs pcip pcos pcpp pcps pcrc pcso picc pici pico picr pics piip pipi pipo pipp pips pirc piri piro pirr pirs pisi piso piss poco pocs poio pois poop poor poos pop- popc popi popo popp pops porc pori poro porr pors posi poso poss ppcc ppci ppcs ppic ppos pppo pppp ppps pprc ppss prcc prcp prcs pri- prii pris pro- proc proo prop pros prps prri prrs prsc prsi prso prss psci psco psip psis psoc psoi psos pspi pspp pspr psps psrp pssc psso rccc rccs rcic rcis rcos rcpi rcpo rcps rcsc rcsi rcss ricc rico rics riis rios ripi ripp ripr rips riri rirs risc risi riso risp riss rocc roco rocs roio roir rois rooi roop roor roos ropo rops rorc rori roro rosc rosi roso rosp ross rpcs rpii rpos rpps rrrr rrsp rscc rscs rsis rsos rspo rsps s-ic s-ii s-os sccc sccp sccs sci- scic scio scip scir scis scoo scop scor scpi scpo scps scr- scrc scri scrs scsc scsi scso scsr sicc sici sico sicp sics siop sior sios sipc sipi sipo sipp sips sirc siri siro sirp sirr sirs sisc sisi siss soci soco socr socs soic soir sois soop soor soos sopi sopo sopp sops sori soro sorr sors sosi soso soss spcc spco spcs spic spio spip spir spis spoc spoo spop spor spos spps spri spro sprs spso spsp spss srcc sris sros srpc srps srsp sscc ssci sscp sscs ssis ssoc ssop sspc sspo ssps ssrc ssri ssrs sssc sssi ssss