cccc ccci cccp cccs ccic ccii ccip ccir ccis ccpp ccpr ccps ccrc ccri ccrp ccrs ccrt ccsi ccsp ccss ccst cctc cctt cicc cici cicr cics cict ciii ciis ciit cipp cips circ ciri cirr cirs cirt cis- cisc cisp cisr ciss cist citi citp cits citt cpcs cpic cpps cpri cprs cprt cpsc cpsr cptp cptr cpts crcc crcr cric crip cris crit crpc crps crrt crsp crss crst crtc crtp crts cscc csci cscr cscs csir csis csit cspc cspi csps cspt csrc csrs cssr cstc cstr csts ctcp ctic ctpp ctps ctrc ctrp ctrs ctsc ctss ctts iccc icci iccp iccr iccs icct icis icpc icps icrc icrr icrs icrt icsc icsi icsp icsr icss icst ictp icts iiii iiis iiit iirc iirs iisc iisi iisp iisr iist iitr iitt ipcc ipcs ipct ippc ippr ipri ipsc ipsi ipsp ipss iptc ipts ircc ircs iri- iric irip iris irpc irps irrc irri irrs irsp irti irtp irts iscc isci iscp iscr iscs isct isic isis isit ispc ispr isps isri isrp issc issi issp issr isss istc isti istp istr ists itcs itic itis itpc itri itrs itsi itsp pccc pccs pcip pcpp pcps pcrc pcts picc pici picr pics pict piip pipi pipp pips pirc piri pirr pirs pisi piss pist piti pitr pits pitt ppcc ppci ppcs ppic pppp ppps pprc ppss ppts pptt prcc prcp prcs pri- prii pris prps prri prrs prsc prsi prss prtc prti prtp prtr psci psip psis pspi pspp pspr psps psrp pssc psst psts ptcc pttc rccc rccs rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts ricc rics rict riis ripi ripp ripr rips ript riri rirs risc risi risp riss rist riti rits ritt rpcs rpii rpps rpts rrrr rrsp rscc rscs rsis rsps rstp rsts rtcc rtps rtss rttp rtts s-ic s-ii sccc sccp sccs scct sci- scic scip scir scis scit scpi scps scpt scr- scrc scri scrs scsc scsi scsr scst sctc sctr scts sicc sici sicp sics siit sipc sipi sipp sips sipt sirc siri sirp sirr sirs sirt sisc sisi siss sist sit- sitc siti sits sitt spcc spcs spic spip spir spis spit spps spri sprs spsp spss spst sptc sptr spts srcc srct sris srpc srps srpt srsp srtp srtr sscc ssci sscp sscs ssis ssit sspc ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstp ssts stcc stcp stcs stic stip stir stis stit stpp stps strc stri strs stsi stss sttc sttr tccc tctc tcts ticc tics tiit tip- tipc tipi tipp tips tipt tiri tirr tirs tisi tiss tist titc titi titp tits titt tpcp tpcs tpir tppp tppr tprs tpsc tptp tptr trcc tri- tric trip tris trit trpc trpp trps trsi trst trtc trtr tscc tscp tsis tsps tspt tssi tssr tsst tstc tsts ttcp ttss tttt