cccc cccf ccci cccp cccs ccee ccfc ccff ccfi ccic ccii ccip ccir ccis ccpe ccpp ccpr ccps ccrc ccre ccrf ccri ccrp ccrs ccrt ccsf ccsi ccsp ccss ccst cctc cctt cec- cece ceci cecp cecs cect ceec cees cef- cefc ceip cepc cepe cepp cepr ceps cept cer- cerc cere cerf ceri cerp cers cert cesc cese cesi cesp cesr cess cest cet- cete ceti cetp cets cfcf cfcs cffr cfit cfpr cfps cfre cfrp cfrt cfse cfsi cftc cfte cftr cicc cici cicr cics cict ciee cier cies cife ciff cifs ciii ciis ciit cipf cipp cips circ cire ciri cirr cirs cirt cis- cisc cise cisp cisr ciss cist cite citf citi citp cits citt cpce cpcs cpep cper cpff cpft cpic cpif cpps cpre cpri cprs cprt cpsc cpsr cptp cptr cpts crcc crce crcr cre- crec cree crei crep cres cret crfc crfs cric crie crif crip cris crit crpc crps crrt crsp crss crst crtc crtf crtp crts cscc csce cscf csci cscr cscs csec csee csep cser cset csfc csfr csir csis csit cspc cspe cspi csps cspt csrc csrs csse cssr cstc cstr csts ctcf ctcp ctec ctep ctfc ctfs ctic ctpp ctps ctrc ctrp ctrs ctsc ctss ctts eccc ecce ecci ecct ecef eces ecfc ecfr ecfs ecip ecis ecit ecpp ecrc ecrf ecri ecrr ecsc ecse ecsp ecss ect- ectc ectf ects eecs eeee eees eefe eeps eerc eers eese eesi eetc eete eets efes efet effi effs efic efit efsi eft- eftp efts eics eiec eiei eier eies eifs eipr eire eirs eise eiss eist eitc eiti eitr epcc epci epec epee eper epes epfc epi- epic epie epip epis epit eppc eppp epps eprp eprs epsc epsf epsi epsp epss epte ercc erce ercp erec erei erer eres eret erfc erfs erft eric erie eris erit erpe erps errc erre errs erse ersi erst erts esce esci escr escs esee eser eses eset esfp esfs esie esis esit espc espe espi espp esps esri esse essi essp esst estc este estp estr ests etcc etcs etec etee eter etes etfc etfe etic etre etsi ette etti fccf fccp fces fcic fcii fcps fcsc fcst fece fect feer fees feet fefc fefe feff fefi feie feir feis feit fepc feps ferc fere ferr fers fert fese fess fest fete feti fetp fetr fets fett ffcc ffee ffff ffii ffps ffrr ffss fftf ficc fice fics fict fiec fief fier fies fifc fife fiff fifi fift fiii fipp fips fire firs fisc fise fisi fiss fist fitc fite fiti fits fitt fp-c fpcc fpct fprf frcc frcp free frei frep fres fret frfc fric frie frip fris frit frps frsc frst fscc fsec fsfi fspc fspf fssc fssf fssp ft-c fter ftfc ftii ftpe ftps ftrs ftse ftsr iccc iccf icci iccp iccr iccs icct icec icee icef icer ices icet icis icpc icps icrc icre icrf icrr icrs icrt icsc icse icsi icsp icsr icss icst ictp icts iecc ieet ieie iere ieri iers iesc iesi iesr iest ietf iett ifcp ifer ifes ific ifis ifit ifps ifrf ifri ifsc ifsp iies iiie iiii iiis iiit iipf iirc iirs iisc iisi iisp iisr iist iitr iitt ipcc ipce ipcs ipct ipec iper ipes ipet ipfc ipie ippc ippf ippr ipri ipsc ipse ipsi ipsp ipss iptc ipts ircc ircs iree irer ires irfe iri- iric irie irip iris irpc irpe irps irrc irre irri irrs irse irsf irsp irte irtf irti irtp irts iscc isci iscp iscr iscs isct isec isee isep iser ises iset isfc isfp isic isie isis isit ispc ispe ispf ispr isps isri isrp issc isse issf issi issp issr isss istc iste isti istp istr ists itcs itec itep iter ites itet itic itie itif itis itpc itrf itri itrs itse itsf itsi itsp ittf pccc pcce pccs pcep pcer pcfc pcip pcpp pcps pcrc pcre pcrf pcse pcte pcts pece peci pecr pecs pect peec peep peer pees peet pefc peff pefs peip peir peis peit pepe pepi peps per- perc pere perf peri perp perr pers pert pese pesi pess pest pete peti petr pets pett pfce pfcs pfet pfff pffr pfft pfic pfis pfit pfps pfte picc pice pici picr pics pict piep pier pies piet piff pifs piip pipe pipi pipp pips pirc pire piri pirr pirs pise pisi piss pist pite pitf piti pitr pits pitt ppcc ppci ppcs pper ppic ppie ppif pppp ppps pprc pprf ppsf ppss ppts pptt prcc prcf prcp prcs pre- prec pree pref prep pres pret prfc prfs pri- prie prif prii pris prps prri prrs prsc prse prsi prss prtc prti prtp prtr psci psec psei psfs psip psis pspi pspp pspr psps psrp pssc psse psst psts ptcc pter ptrf pttc rccc rccs rcep rcet rcfc rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts recc rece reci recp recr recs rect reef reep rees reet refe reff refi refr refs reft reif reii reir reis reit repe repi repp repr reps rept rere reri rers rert rese resi resp ress rest rete reti retr rets rett rfef rffc rfic rftc ricc rice rics rict rief riep rier ries riet rife riff rifs rift riif riis ripe ripi ripp ripr rips ript rire riri rirs risc rise risi risp riss rist rite riti rits ritt rpcs rpet rpfc rpii rpps rpts rrfc rrif rrrr rrsp rscc rscs rsee rsfc rsis rsps rsre rstp rsts rtcc rtce rtee rtei rtes rtfc rtps rtss rttp rtts s-ic s-ii sccc scce sccp sccs scct scec scee scep scer scet scfc scfe scfi sci- scic scie scif scip scir scis scit scpe scpi scps scpt scr- scrc scre scri scrs scsc scsi scsr scst sctc sctr scts se-c se-e se-f se-i se-s se-t sec- secc sece secr secs sect seec seef seep seer sees seet seff sefi seft seie seif seii seip seir seis seit sepe sepi sepp sepr seps sept serc