cccc cccf ccci cccp cccu ccee ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp ccuc ccup cec- cece ceci ceco cecp ceec cef- cefc ceip ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cerf ceri cero cerp ceui cfcf cfco cffr cfor cfpo cfpr cfre cfrp cicc cici cico cicr cicu ciee cier cife ciff ciii cior cipf cipo cipp circ cire ciri ciro cirr ciuc ciup coce coco cocp cocu coep cofc cofe coff cofi coif coip coir coof coop cope copi copo copp copr cor- corc core corf cori coro corp corr coue coup cour cpce cpcu cpep cper cpff cpic cpif cpio cpre cpri crcc crce crcr cre- crec cree crei creo crep creu crfc cric crie crif crip criu croc croe croo crop cror crpc crue crup cucc cuce cuci cuer cufc cuff cufi cufo cui- cuif cuir cupe cupo cupp cupr cure curf curi curo curr eccc ecce ecci ecco ecef ecfc ecfr ecip eco- ecop ecou ecpp ecrc ecrf ecri ecrr ecru eeee eefe eeoc eerc eero efco efeo effi efic efor eico eiec eiei eier eiou eipo eipr eire eoir eore eori epcc epci epec epee eper epfc epi- epic epie epip epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erei erer erfc eric erie erio eriu eroc eroe eroi eroo erpe errc erre erro eruc erur euer eufc eufi euoi eur- eurc eure euro fccf fccp fcic fcii fcup fece feer fefc fefe feff fefi fefo feie feio feir feof fepc ferc fere fero ferr feru ffcc ffee ffff ffii ffrr ficc fice fico fiec fief fier fifc fife fiff fifi fifo fiii fioe fior fipp fire foce foci foco foer fofo foie foof fopp for- fore fori foro forr foup four fp-c fpcc fprf frcc frcp free frei freo frep frfc fric frie frio frip froe frop frou frue fuc- fuci fufc fuff fufu fuir fuor fur- fure furi furo furr iccc iccf icci icco iccp iccr iccu icec icee icef icer icoc icor icpc icpo icrc icre icrf icrr icru icue icup iecc ieie ieio iere ieri ifco ifcp ifer ific ifor ifpo ifrf ifri iiie iiii iiio iioi iioo iiop iipf iirc iiuc ioci iocp ioee iofc ioii ioio ioof iooi iooo iore iori ipcc ipce ipec iper ipfc ipie ipoe ipop ippc ippf ippo ippr ipri ipur ircc ircu iree irer irfe irfu iri- iric irie irio irip iroc irop irpc irpe irrc irre irri iucc iuce iuef iuiu iupp o-eo occc occi oce ocee ocef ocfp ocpp ocre ocro ocrr ocur oec- oecc oeec oere oeuf ofcr ofer off- offc offe offo offr offu ofor ofre oici oier oiii oipc oire oocr ooer ooff oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orce orci orco ore- orec oreo orer orfe orff orfi orfu ori- oric orie orif orio oro- oroe orof oror orpc orpe orpi orri orro orup oucc ouer oufc oufe ouff ouie ouii ouir oupe our- oure ouro ouu- pccc pcce pcep pcer pcfc pcip pcoe pcpp pcrc pcre pcrf pece peci peco pecr peec peep peer pefc peff peio peip peir peor peou pepe pepi pepo per- perc pere perf peri pero perp perr peru peur pfce pfff pffr pfic pfui picc pice pici pico picr picu piep pier piff piip pipe pipi pipo pipp pirc pire piri piro pirr piru poce poco poer poff pofi poio poof poop poor pop- popc pope popi popo popp porc pore pori poro porr pouf poui poup pour ppcc ppci pper ppic ppie ppif pppo pppp pprc pprf ppru ppur prcc prcf prcp pre- prec pree pref prep preu prfc pri- prie prif prii pro- proc proe prof proo prop prou prri prue pruf pruu pu-e puce pueo puer pueu puff puir puiu pupe pupi pupu pur- pure puri puro purp purr puru puuc rccc rcep rcfc rcic rcpi rcpo recc rece reci recp recr recu reef reep refe reff refi refr refu reif reii reir reiu reof reop reou repe repi repo repp repr repu rere reri rero reru reue reuf reup reuu rfef rffc rfic ricc rice rico rief riep rier rieu rife riff rifu riif riou ripe ripi ripp ripr rire riri riue rocc roce roco roer rofc rofe roff rofo roif roio roir roiu roof rooi roop roor rope ropo rorc rore rori roro roru roue rouf roup rpfc rpii rpoe rpof rrfc rrif rrrr ruce ruci ruer rufc rufe ruff rufo ruif rupe rupp rurc rure ruri ruro rurp ruru u-ie u-rp ucci uccp ucio ucrc ueir uepi ufcu ufer uffe ufip uipi uirr uocc uofo uor- uore upci upic upie upor uppc uppe uppp uppu upri upup urci ure- urfe urff urfi uric urie urif uriu uro- uroo urpo urre urri urup urur uucp uuoc uuri uuuu