cccc ccci cccp cccu ccee ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccri ccrp ccuc ccup cec- cece ceci cecp ceec ceip cepc cepe cepp cepr cer- cerc cere ceri cerp ceui cicc cici cicr cicu ciee cier ciii cipp circ cire ciri cirr ciuc ciup cpce cpcu cpep cper cpic cpre cpri crcc crce crcr cre- crec cree crei crep creu cric crie crip criu crpc crue crup cucc cuce cuci cuer cui- cuir cupe cupp cupr cure curi curr 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 eppc eppp eprp ercc erce ercp erec erei erer eric erie eriu erpe errc erre eruc erur euer eur- eurc eure iccc icci iccp iccr iccu icec icee icer icpc icrc icre icrr icru icue icup iecc ieie iere ieri iiie iiii iirc iiuc ipcc ipce ipec iper ipie ippc ippr ipri ipur ircc ircu iree irer iri- iric irie irip irpc irpe irrc irre irri iucc iuce iuiu iupp 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 ppcc ppci pper ppic ppie pppp pprc ppru ppur prcc prcp pre- prec pree prep preu pri- prie prii prri prue pruu pu-e puce puer pueu puir puiu pupe pupi pupu pur- pure puri purp purr puru puuc 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 ricc rice riep rier rieu ripe ripi ripp ripr rire riri riue rpii 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- uric urie uriu urre urri urup urur uucp uuri uuuu