cccc ccci cccp ccee ccic ccii ccip ccir ccpe ccpp ccpr ccrc ccre ccri ccrp cec- cece ceci cecp ceec ceip cepc cepe cepp cepr cer- cerc cere ceri cerp ceze cicc cici cicr ciee cier ciez ciii cipp circ cire ciri cirr cize cpce cpep cper cpic cpre cpri crcc crce crcr crcz cre- crec cree crei crep cric crie crip crpc eccc ecce ecci ecip ecpp ecrc ecri ecrr eeee eerc eeze eiec eiei eier eipr eire epcc epci epec epee eper epi- epic epie epip eppc eppp eprp ercc erce ercp erec erei erer erez eric erie eriz erpe errc erre erzi ezer ezri iccc icci iccp iccr icec icee icer icpc icrc icre icrr iecc ieie iere ieri iiie iiii iirc ipcc ipce ipec iper ipie ippc ippr ipri ircc iree irer iri- iric irie irip irpc irpe irrc irre irri izze pccc pcce pcep pcer pcip pcpp pcrc pcre pece peci pecr pecz peec peep peer peip peir pepe pepi per- perc pere peri perp perr peze picc pice pici picr piep pier piip pipe pipi pipp pirc pire piri pirr pize ppcc ppci pper ppic ppie pppp pprc prcc prcp pre- prec pree prep prez pri- prie prii prri rccc rcep rcic rcpi recc rece reci recp recr recz reep reii reir reiz repe repi repp repr rere reri reze rezi ricc rice riep rier riez ripe ripi ripp ripr rire riri rize rizi rizz rpii rrrr rzip zeep zeir zepp zeri zeze zice ziip zipp zirc ziri zirp zizi zizz zrce zrze zzzz