c-p-c ccccc cccii ccifc cciii ceci- cecie cecri ceere ceipp cepci cepic cepie cepii cerc- cerce cerci cerec cerer ceric cerie cerre cicer cifer cipce ciper cippi cipre circe ciric cirie cirr- cirri cpcfc cpeir crece creep creer crepe crice crier cripe ecipe eeeee eepee eerie efere eferi effer effie efrei eipic eipri eirie eperc epice eppie erere erice erier eriff eriic feere feier ferce feric ferie ferr- ferre ferri fieee fieri fifer fifie firee firei firer firie firre frcpc freei freep freer freir frere frice frier fripp iceci icici icier iecee ieiri iepe ieper ierei if-- ifere iiiee iiiii iperf ippee ippei ircii irece irrep p-rep pcepi pci-e peece peere peeri peice peire pepee peppe peppi perce perci perec perer peri- peric perie perre perri picr- piece piere pieri piiri piper pippi pipri pirce piric pirie pirre pirri prece preci preef preff preie preif price prief prier prife rcirc recce recep recip reece reefe reepe reere refer reffe reice reiff repec repic reppe rere- reree reric rerip rerir ri-fi ricci ricer riefe rifer riife ripec riper rippe ririe rperf rripe