cccc cccf ccci cccp cccs ccee ccfc ccff ccfi ccic ccii ccip ccir ccis ccpe ccpp ccpr ccps ccrc ccre ccrf ccri ccrp ccrs ccsf ccsi ccsp ccss cec- cece ceci cecp cecs ceec cees cef- cefc ceip cepc cepe cepp cepr ceps cer- cerc cere cerf ceri cerp cers cesc cese cesi cesp cesr cess cfcf cfcs cffr cfpr cfps cfre cfrp cfse cfsi cicc cici cicr cics ciee cier cies cife ciff cifs ciii ciis cipf cipp cips circ cire ciri cirr cirs cis- cisc cise cisp cisr ciss cpce cpcs cpep cper cpff cpic cpif cpps cpre cpri cprs cpsc cpsr crcc crce crcr cre- crec cree crei crep cres crfc crfs cric crie crif crip cris crpc crps crsp crss cscc csce cscf csci cscr cscs csec csee csep cser csfc csfr csir csis cspc cspe cspi csps csrc csrs csse cssr eccc ecce ecci ecef eces ecfc ecfr ecfs ecip ecis ecpp ecrc ecrf ecri ecrr ecsc ecse ecsp ecss eecs eeee eees eefe eeps eerc eers eese eesi efes effi effs efic efsi eics eiec eiei eier eies eifs eipr eire eirs eise eiss epcc epci epec epee eper epes epfc epi- epic epie epip epis eppc eppp epps eprp eprs epsc epsf epsi epsp epss ercc erce ercp erec erei erer eres erfc erfs eric erie eris erpe erps errc erre errs erse ersi esce esci escr escs esee eser eses esfp esfs esie esis espc espe espi espp esps esri esse essi essp fccf fccp fces fcic fcii fcps fcsc fece feer fees fefc fefe feff fefi feie feir feis fepc feps ferc fere ferr fers fese fess ffcc ffee ffff ffii ffps ffrr ffss ficc fice fics fiec fief fier fies fifc fife fiff fifi fiii fipp fips fire firs fisc fise fisi fiss fp-c fpcc fprf frcc frcp free frei frep fres frfc fric frie frip fris frps frsc fscc fsec fsfi fspc fspf fssc fssf fssp iccc iccf icci iccp iccr iccs icec icee icef icer ices icis icpc icps icrc icre icrf icrr icrs icsc icse icsi icsp icsr icss iecc ieie iere ieri iers iesc iesi iesr ifcp ifer ifes ific ifis ifps ifrf ifri ifsc ifsp iies iiie iiii iiis iipf iirc iirs iisc iisi iisp iisr ipcc ipce ipcs ipec iper ipes ipfc ipie ippc ippf ippr ipri ipsc ipse ipsi ipsp ipss ircc ircs iree irer ires irfe iri- iric irie irip iris irpc irpe irps irrc irre irri irrs irse irsf irsp iscc isci iscp iscr iscs isec isee isep iser ises isfc isfp isic isie isis ispc ispe ispf ispr isps isri isrp issc isse issf issi issp issr isss pccc pcce pccs pcep pcer pcfc pcip pcpp pcps pcrc pcre pcrf pcse pece peci pecr pecs peec peep peer pees pefc peff pefs peip peir peis pepe pepi peps per- perc pere perf peri perp perr pers pese pesi pess pfce pfcs pfff pffr pfic pfis pfps picc pice pici picr pics piep pier pies piff pifs piip pipe pipi pipp pips pirc pire piri pirr pirs pise pisi piss ppcc ppci ppcs pper ppic ppie ppif pppp ppps pprc pprf ppsf ppss prcc prcf prcp prcs pre- prec pree pref prep pres prfc prfs pri- prie prif prii pris prps prri prrs prsc prse prsi prss psci psec psei psfs psip psis pspi pspp pspr psps psrp pssc psse rccc rccs rcep rcfc rcic rcis rcpi rcps rcsc rcsi rcss recc rece reci recp recr recs reef reep rees refe reff refi refr refs reif reii reir reis repe repi repp repr reps rere reri rers rese resi resp ress rfef rffc rfic ricc rice rics rief riep rier ries rife riff rifs riif riis ripe ripi ripp ripr rips rire riri rirs risc rise risi risp riss rpcs rpfc rpii rpps rrfc rrif rrrr rrsp rscc rscs rsee rsfc rsis rsps rsre s-ic s-ii sccc scce sccp sccs scec scee scep scer scfc scfe scfi sci- scic scie scif scip scir scis scpe scpi scps scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-f se-i se-s sec- secc sece secr secs seec seef seep seer sees seff sefi seie seif seii seip seir seis sepe sepi sepp sepr seps serc sere serf seri serp serr sers sesc sese sesi sess sfcc sfcs sfer sffc sfpc sfrc sfss sicc sice sici sicp sics siec sief sier sies sife siff sifr sipc sipe sipi sipp sips sirc sire sirf siri sirp sirr sirs sisc sise sisi siss spcc spcs spec spee spef sper spes spfc spfs spic spie spip spir spis sppf spps spri sprs spse spsp spss srcc srec sres srfc srfi sris srpc srps srsp sscc ssce ssci sscp sscs ssec ssee ssep sses ssfc ssfp ssis sspc sspe sspf ssps ssrc ssri ssrs sssc sssf sssi ssss