cccc cccf ccci cccu ccee ccfc ccff ccfi ccic ccii ccir ccoc ccrc ccre ccrf ccri ccuc cec- cece ceci ceco ceec cef- cefc ceor ceou cer- cerc cere cerf ceri cero ceui cfcf cfco cffr cfor cfre cicc cici cico cicr cicu ciee cier cife ciff ciii cior circ cire ciri ciro cirr ciuc coce coco cocu cofc cofe coff cofi coif coir coof cor- corc core corf cori coro corr coue cour crcc crce crcr cre- crec cree crei creo creu crfc cric crie crif criu croc croe croo cror crue cucc cuce cuci cuer cufc cuff cufi cufo cui- cuif cuir cure curf curi curo curr eccc ecce ecci ecco ecef ecfc ecfr eco- ecou ecrc ecrf ecri ecrr ecru eeee eefe eeoc eerc eero efco efeo effi efic efor eico eiec eiei eier eiou eire eoir eore eori ercc erce erec erei erer erfc eric erie erio eriu eroc eroe eroi eroo errc erre erro eruc erur euer eufc eufi euoi eur- eurc eure euro fccf fcic fcii fece feer fefc fefe feff fefi fefo feie feio feir feof ferc fere fero ferr feru ffcc ffee ffff ffii ffrr ficc fice fico fiec fief fier fifc fife fiff fifi fifo fiii fioe fior fire foce foci foco foer fofo foie foof for- fore fori foro forr four frcc free frei freo frfc fric frie frio froe frou frue fuc- fuci fufc fuff fufu fuir fuor fur- fure furi furo furr iccc iccf icci icco iccr iccu icec icee icef icer icoc icor icrc icre icrf icrr icru icue iecc ieie ieio iere ieri ifco ifer ific ifor ifrf ifri iiie iiii iiio iioi iioo iirc iiuc ioci ioee iofc ioii ioio ioof iooi iooo iore iori ircc ircu iree irer irfe irfu iri- iric irie irio iroc irrc irre irri iucc iuce iuef iuiu o-eo occc occi oce ocee ocef ocre ocro ocrr ocur oec- oecc oeec oere oeuf ofcr ofer off- offc offe offo offr offu ofor ofre oici oier oiii oire oocr ooer ooff oooo oore orce orci orco ore- orec oreo orer orfe orff orfi orfu ori- oric orie orif orio oro- oroe orof oror orri orro oucc ouer oufc oufe ouff ouie ouii ouir our- oure ouro ouu- rccc rcfc rcic recc rece reci recr recu reef refe reff refi refr refu reif reii reir reiu reof reou rere reri rero reru reue reuf reuu rfef rffc rfic ricc rice rico rief rier rieu rife riff rifu riif riou rire riri riue rocc roce roco roer rofc rofe roff rofo roif roio roir roiu roof rooi roor rorc rore rori roro roru roue rouf rrfc rrif rrrr ruce ruci ruer rufc rufe ruff rufo ruif rurc rure ruri ruro ruru u-ie ucci ucio ucrc ueir ufcu ufer uffe uirr uocc uofo uor- uore urci ure- urfe urff urfi uric urie urif uriu uro- uroo urre urri urur uuoc uuri uuuu