cccc ccci cccp ccic ccii ccip ccir ccjo ccoc ccpp ccpr ccrc ccri ccrp cicc cici cico cicr ciii cior cipo cipp circ ciri ciro cirr cjcj cjic cjoi cjor cjpp cjrc cjrj cjrp coco cocp coip coir cojo coop copi copo copp copr cor- corc cori coro corp corr cpic cpio cpri crcc crcr cric crip croc croo crop cror crpc iccc icci icco iccp iccr icoc icor icpc icpo icrc icrr iiii iiio iioi iioo iiop iirc ijji ioci iocp ioii ioio iooi iooo iori ipcc ipop ippc ippo ippr ipri ircc iri- iric irio irip iroc irop irpc irrc irri j-ro jccc jcci jcrc jiji jiri jiro jjcc joco joio joji jojo joor joro jpcc jpip jpop occc occi ocpp ocro ocrr oici oiii oipc oocr ooij ooji oooo opic opii opio opo- opoj opor oppi oppo orci orco ori- oric orio orji oro- oror orpc orpi orri orro pccc pcip pcjj pcjr pcpp pcrc picc pici pico picr piip pipi pipo pipp pirc piri piro pirr poco poio poji pojo poop poor pop- popc popi popo popp porc pori poro porr ppcc ppci ppic pppo pppp pprc prcc prcp pri- prii pro- proc proj proo prop prri rccc rcic rcpi rcpo ricc rico riji rijo rijp ripi ripp ripr riri rocc roco roio roir roji rojo rooi roop roor ropo rorc rori roro rpii rrrr