cccc ccci cccp cccu cccv ccee ccic ccii ccip ccir cciv ccpe ccpp ccpr ccrc ccre ccri ccrp ccuc ccup ccvi 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 civc cive cpce cpcu cpep cper cpic cpre cpri cpvc 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 cuve cvcc cver cvii cvrr eccc ecce ecci ecip ecpp ecrc ecri ecrr ecru ecrv 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 erev eric erie eriu erpe errc erre eruc erur eruv erve ervi euer eur- eurc eure ever evie evir evre 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 iucv iuiu iupp ivec iver ivic ivie ivre ivue pccc pcce pcep pcer pcip pcpp pcrc pcre pece peci pecr peec peep peer peev peip peir pepe pepi per- perc pere peri perp perr peru perv 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 prev pri- prie prii priv prri prue pruu pu-e puce puer pueu puir puiu pupe pupi pupu pur- pure puri purp purr puru puuc rccc rcep rcic rcpi rcuv rcvr recc rece reci recp recr recu reep reev reii reir reiu repe repi repp repr repu rere reri reru reue reup reuu reve revi revp ricc rice riep rier rieu ripe ripi ripp ripr rire riri riue rive rivp rpii rrrr ruce ruci ruer rupe rupp rurc rure ruri rurp ruru ruve ruvi ruvu rv-c rver u-ie u-rp ucci uccp ucrc ueir uepi uipi uirr upci upic upie uppc uppe uppp uppu upri upup upvc urci ure- uric urie uriu urre urri urup urur urve uucp uuri uuuu uv-c uver uvic uvri uvvu vcci vecc veci veep veer veie veii veip veir vepe vepr ver- vere veri veur veve vevi vic- vice vici vier vieu viii vipr virc vire viri virr viru viue vive vivi vrci vuir vurp vver vvvv