cccc ccci cccp cccu ccee ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccri ccrp ccuc ccup cec- cece ceci ceco cecp ceec ceip ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere ceri cero cerp ceui cicc cici cico cicr cicu ciee cier ciii cior cipo cipp circ cire ciri ciro cirr ciuc ciup coce coco cocp cocu coep coip coir coop cope copi copo copp copr cor- corc core cori coro corp corr coue coup cour cpce cpcu cpep cper cpic cpio cpre cpri crcc crce crcr cre- crec cree crei creo crep creu cric crie crip criu croc croe croo crop cror crpc crue crup cucc cuce cuci cuer cui- cuir cupe cupo cupp cupr cure curi curo curr eccc ecce ecci ecco ecip eco- ecop ecou ecpp ecrc ecri ecrr ecru eeee eeoc eerc eero eico eiec eiei eier eiou eipo eipr eire eoir eore eori epcc epci epec epee eper epi- epic epie epip epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erei erer eric erie erio eriu eroc eroe eroi eroo erpe errc erre erro eruc erur euer euoi eur- eurc eure euro iccc icci icco iccp iccr iccu icec icee icer icoc icor icpc icpo icrc icre icrr icru icue icup iecc ieie ieio iere ieri iiie iiii iiio iioi iioo iiop iirc iiuc ioci iocp ioee ioii ioio iooi iooo iore iori ipcc ipce ipec iper ipie ipoe ipop ippc ippo ippr ipri ipur ircc ircu iree irer iri- iric irie irio irip iroc irop irpc irpe irrc irre irri iucc iuce iuiu iupp o-eo occc occi oce ocee ocpp ocre ocro ocrr ocur oec- oecc oeec oere oici oier oiii oipc oire oocr ooer oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orce orci orco ore- orec oreo orer ori- oric orie orio oro- oroe oror orpc orpe orpi orri orro orup oucc ouer ouie ouii ouir oupe our- oure ouro ouu- pccc pcce pcep pcer pcip pcoe pcpp pcrc pcre pece peci peco pecr peec peep peer peio peip peir peor peou pepe pepi pepo per- perc pere peri pero perp perr peru peur picc pice pici pico picr picu piep pier piip pipe pipi pipo pipp pirc pire piri piro pirr piru poce poco poer poio poop poor pop- popc pope popi popo popp porc pore pori poro porr poui poup pour ppcc ppci pper ppic ppie pppo pppp pprc ppru ppur prcc prcp pre- prec pree prep preu pri- prie prii pro- proc proe proo prop prou prri prue pruu pu-e puce pueo puer pueu puir puiu pupe pupi pupu pur- pure puri puro purp purr puru puuc rccc rcep rcic rcpi rcpo recc rece reci recp recr recu reep reii reir reiu reop reou repe repi repo repp repr repu rere reri rero reru reue reup reuu ricc rice rico riep rier rieu riou ripe ripi ripp ripr rire riri riue rocc roce roco roer roio roir roiu rooi roop roor rope ropo rorc rore rori roro roru roue roup rpii rpoe rrrr ruce ruci ruer rupe rupp rurc rure ruri ruro rurp ruru u-ie u-rp ucci uccp ucio ucrc ueir uepi uipi uirr uocc uor- uore upci upic upie upor uppc uppe uppp uppu upri upup urci ure- uric urie uriu uro- uroo urpo urre urri urup urur uucp uuoc uuri uuuu