cccc ccci cccp cccu ccee ccic ccii ccip ccir ccix ccpe ccpp ccpr ccrc ccre ccri ccrp ccuc ccup ccxi cec- cece ceci cecp ceec ceip cepc cepe cepp cepr cer- cerc cere ceri cerp ceui ceux cexe cicc cici cicr cicu ciee cier ciii cipp circ cire ciri cirr ciuc ciup cixi cpce cpcu cpep cper cpic cpix cpre cpri crcc crce crcr cre- crec cree crei crep creu crex cric crie crip criu crpc crue crup crux cucc cuce cuci cuer cui- cuir cupe cupp cupr cure curi curr cxii cxix cxxi cxxx eccc ecce ecci ecip ecpp ecrc ecri ecrr ecru eeee eerc eiec eiei eier eipr eire epcc epci epec epee eper epi- epic epie epip epix eppc eppp eprp epxp er-x ercc erce ercp erec erei erer eric erie eriu erpe errc erre eruc erur euer eur- eurc eure exec exer expr exrx iccc icci iccp iccr iccu icec icee icer icex icpc icrc icre icrr icru icue icup iecc ieie iere ieri iiie iiii iirc iiuc ipcc ipce ipec iper ipex ipie ipix ippc ippr ipri ipur ipxe ircc ircu ircx iree irer irex iri- iric irie irip irix irpc irpe irrc irre irri iucc iuce iuiu iupp ixxi pccc pcce pcep pcer pcip pcpp pcrc pcre pece peci pecr peec peep peer peip peir pepe pepi per- perc pere peri perp perr peru peur picc pice pici picr picu piep pier piip pipe pipi pipp pirc pire piri pirr piru pixx ppcc ppci pper ppic ppie pppp pprc ppru ppur prcc prcp pre- prec pree prep preu prex pri- prie prii prix prri prue pruu pu-e puce puer pueu puir puiu pupe pupi pupu pur- pure puri purp purr puru puuc puxe puxi rccc rcep rcic rcpi recc rece reci recp recr recu reep reii reir reiu repe repi repp repr repu rere reri reru reue reup reuu reux rexx ricc rice riep rier rieu riex ripe ripi ripp ripr rire riri riue rixc rixe rpii rpix rrrr ruce ruci ruer rupe rupp rurc rure ruri rurp ruru u-ie u-rp ucci uccp ucrc ueir uepi uipi uirr upci upic upie uppc uppe uppp uppu upri upup urci ure- urex uric urie uriu urix urre urri urup urur uucp uuri uuuu uxue xcii xcri xeer xer- xexe xiii xipe xipu xixi xpcc xper xrep xuri xuxu xxii xxix xxxi xxxx