cccc cccf ccci cccp cccs ccfc ccff ccfi ccic ccii ccip ccir ccis ccpp ccpr ccps ccrc ccrf ccri ccrp ccrs ccrt ccsf ccsi ccsp ccss ccst cctc cctt cfcf cfcs cffr cfit cfpr cfps cfrp cfrt cfsi cftc cftr cicc cici cicr cics cict ciff cifs ciii ciis ciit cipf cipp cips circ ciri cirr cirs cirt cis- cisc cisp cisr ciss cist citf citi citp cits citt cpcs cpff cpft cpic cpif cpps cpri cprs cprt cpsc cpsr cptp cptr cpts crcc crcr crfc crfs cric crif crip cris crit crpc crps crrt crsp crss crst crtc crtf crtp crts cscc cscf csci cscr cscs csfc csfr csir csis csit cspc cspi csps cspt csrc csrs cssr cstc cstr csts ctcf ctcp ctfc ctfs ctic ctpp ctps ctrc ctrp ctrs ctsc ctss ctts fccf fccp fcic fcii fcps fcsc fcst ffcc ffff ffii ffps ffrr ffss fftf ficc fics fict fifc fiff fifi fift fiii fipp fips firs fisc fisi fiss fist fitc fiti fits fitt fp-c fpcc fpct fprf frcc frcp frfc fric frip fris frit frps frsc frst fscc fsfi fspc fspf fssc fssf fssp ft-c ftfc ftii ftps ftrs ftsr iccc iccf icci iccp iccr iccs icct icis icpc icps icrc icrf icrr icrs icrt icsc icsi icsp icsr icss icst ictp icts ifcp ific ifis ifit ifps ifrf ifri ifsc ifsp iiii iiis iiit iipf iirc iirs iisc iisi iisp iisr iist iitr iitt ipcc ipcs ipct ipfc ippc ippf ippr ipri ipsc ipsi ipsp ipss iptc ipts ircc ircs iri- iric irip iris irpc irps irrc irri irrs irsf irsp irtf irti irtp irts iscc isci iscp iscr iscs isct isfc isfp isic isis isit ispc ispf ispr isps isri isrp issc issf issi issp issr isss istc isti istp istr ists itcs itic itif itis itpc itrf itri itrs itsf itsi itsp ittf pccc pccs pcfc pcip pcpp pcps pcrc pcrf pcts pfcs pfff pffr pfft pfic pfis pfit pfps picc pici picr pics pict piff pifs piip pipi pipp pips pirc piri pirr pirs pisi piss pist pitf piti pitr pits pitt ppcc ppci ppcs ppic ppif pppp ppps pprc pprf ppsf ppss ppts pptt prcc prcf prcp prcs prfc prfs pri- prif prii pris prps prri prrs prsc prsi prss prtc prti prtp prtr psci psfs psip psis pspi pspp pspr psps psrp pssc psst psts ptcc ptrf pttc rccc rccs rcfc rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts rffc rfic rftc ricc rics rict riff rifs rift riif riis ripi ripp ripr rips ript riri rirs risc risi risp riss rist riti rits ritt rpcs rpfc rpii rpps rpts rrfc rrif rrrr rrsp rscc rscs rsfc rsis rsps rstp rsts rtcc rtfc rtps rtss rttp rtts s-ic s-ii sccc sccp sccs scct scfc scfi sci- scic scif scip scir scis scit scpi scps scpt scr- scrc scri scrs scsc scsi scsr scst sctc sctr scts sfcc sfcs sffc sfpc sfrc sfss sftp sfts sicc sici sicp sics siff sifr sift siit sipc sipi sipp sips sipt sirc sirf siri sirp sirr sirs sirt sisc sisi siss sist sit- sitc siti sits sitt spcc spcs spfc spfs spic spip spir spis spit sppf spps spri sprs spsp spss spst sptc sptr spts srcc srct srfc srfi sris srpc srps srpt srsp srtp srtr sscc ssci sscp sscs ssfc ssfp ssis ssit sspc sspf ssps sspt ssrc ssri ssrs sssc sssf sssi ssss sstc sstp ssts stcc stcp stcs stfc stic stif stip stir stis stit stpf stpp stps strc stri strs stsf stsi stss sttc sttr tccc tcfc tctc tcts tfpt tfrs tfsi tfss tftc tftp ticc tics tiff tift 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 trfc trfr tri- tric trif trip tris trit trpc trpp trps trsi trst trtc trtr tscc tscp tsfc tsis tsps tspt tssf tssi tssr tsst tstc tsts ttcp ttfc ttff ttss tttt