cccc cccf ccci cccp ccee ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp ccrt cctc cctt cec- cece ceci ceco cecp cect ceec cef- cefc ceip ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerf ceri cero cerp cert cet- cete ceti ceto cetp cfcf cfco cffr cfit cfor cfpo cfpr cfre cfrp cfrt cftc cfte cftr cicc cici cico cicr cict ciee cier cife ciff ciii ciit cior cipf cipo cipp circ cire ciri ciro cirr cirt cite citf citi cito citp citt coce coco cocp coct coep cofc cofe coff cofi coft coif coip coir coit coof coop coot cope copi copo copp copr copt cor- corc core corf cori coro corp corr cort cotc cote coti coto cott cpce cpep cper cpff cpft cpic cpif cpio cpre cpri cprt cptp cptr crcc crce crcr cre- crec cree crei creo crep cret crfc cric crie crif crip crit croc croe croo crop cror crot crpc crrt crtc crtf crtp ctcf ctcp ctec ctep ctfc ctfo ctic ctor ctot ctpo ctpp ctrc ctrp eccc ecce ecci ecco ecct ecef ecfc ecfr ecip ecit eco- ecop ecot ecpp ecrc ecrf ecri ecrr ect- ectc ectf ecto eeee eefe eeoc eerc eero eetc eete efco efeo efet effi efic efit efor eft- eftp eico eiec eiei eier eipo eipr eire eitc eiti eito eitr eoir eore eori eotc eoto epcc epci epec epee eper epfc epi- epic epie epip epit epoc epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec erei erer eret erfc erft eric erie erio erit eroc eroe eroi eroo erpe errc erre erro etcc etco etec etee eter etfc etfe etic etio etoe etre etro ette etti etto fccf fccp fcic fcii fcot fcto fece fect feer feet fefc fefe feff fefi fefo feie feio feir feit feof fepc ferc fere fero ferr fert fete feti fetp fetr fett ffcc ffee ffff ffii ffrr fftf ficc fice fico fict fiec fief fier fifc fife fiff fifi fifo fift fiii fioe fior fipp fire fitc fite fiti fitt foce foci foco foer fofo foie foof foot fopp for- fore fori foro forr fort fote foti foto fotp fott fp-c fpcc fpct fprf frcc frcp free frei freo frep fret frfc fric frie frio frip frit froe frop frot ft-c fter ftfc ftii ftop ftpe iccc iccf icci icco iccp iccr icct icec icee icef icer icet icoc icor icpc icpo icrc icre icrf icrr icrt ictp iecc ieet ieie ieio iere ieri ietf iett ifco ifcp ifer ific ifit ifor ifpo ifrf ifri ifto iiie iiii iiio iiit iioi iioo iiop iipf iirc iitr iitt ioci iocp ioee iofc ioii ioio ioit ioof iooi iooo iore iori iote iotf ioto ipcc ipce ipct ipec iper ipet ipfc ipie ipoe ipop ippc ippf ippo ippr ipri iptc ipto ircc iree irer irfe iri- iric irie irio irip iroc irop irpc irpe irrc irre irri irte irtf irti irtp itec itep iter itet itic itie itif itof itoi itoo itor itpc itrf itri ittf itto o-eo occc occi occt oce ocee ocef ocet ocfp ocpp ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti ofcr ofer off- offc offe offo offr ofit ofor ofre oftp oici oier oiii oipc oire oirt oitc oiti oocr ooer ooff oooo oore oort ootp opec opei opep oper opet opic opie opii opio opit opo- opor oppi oppo opti opto orce orci orco ore- orec oreo orer orfe orff orfi ori- oric orie orif orio orit oro- oroe orof oror orot orpc orpe orpi orri orro ortc orte orto otee otep oter otfc otfp otic otif otit oto- otoe otof otoo otor otpp otre otro otte otti otto pccc pcce pcep pcer pcfc pcip pcoe pcpp pcrc pcre pcrf pcte pece peci peco pecr pect peec peep peer peet pefc peff peio peip peir peit peor pepe pepi pepo per- perc pere perf peri pero perp perr pert pete peti peto petr pett pfce pfet pfff pffr pfft pfic pfit pfte picc pice pici pico picr pict piep pier piet piff piip piot pipe pipi pipo pipp pirc pire piri piro pirr pite pitf piti pito pitr pitt poce poco poer poet poff pofi poio poof poop poor poot pop- popc pope popi popo popp popt porc pore pori poro porr port potc pote potf poti poto pott ppcc ppci pper ppic ppie ppif pppo pppp pprc pprf pptt prcc prcf prcp pre- prec pree pref prep pret prfc pri- prie prif prii pro- proc proe prof proo prop prot prri prtc prti prtp prtr ptcc pter ptop ptrf pttc rccc rcep rcet rcfc rcic rcpi rcpo rcpt rctc rcti recc rece reci recp recr rect reef reep reet refe reff refi refr reft reif reii reir reit reof reop reot repe repi repo repp repr rept rere reri rero rert rete reti reto retr rett rfef rffc rfic rftc ricc rice rico rict rief riep rier riet rife riff rift riif riot ripe ripi ripp ripr ript rire riri rite riti rito ritt rocc roce roco roer roet rofc rofe roff rofo roif roio roir roit roof rooi roop roor root rope ropo rorc rore rori roro rort rotc rote roti roto rotr rott rpet rpfc rpii rpoe rpof rrfc rrif rrrr rtcc rtce rtee rtei rtfc rttp tccc tcep tcfc tcpo tctc teco tecr tect teec teef teer teet tefc teff tefi teft teic teie teip teir teor tepe tepi tepp ter- terc tere terf teri tero terp terr tete teti teto tetr tett tfec tfot tfpt tftc tftp ticc tice tico tie- tiee tief tiei tieo tiep tier tiet tiff tifo tift tiit tiop tip- tipc tipe tipi tipo tipp tipt tire tiri tiro tirr titc tite titi tito titp titt toce toci toco toee toei toer toet toff tofi tofo toft toie toit toof toor toot top- tope topf topi topo topp topt