cccc ccci cccp ccic ccii ccip ccir ccnc ccni ccnp ccnr ccoc ccpn ccpp ccpr ccrc ccri ccrp cicc cici cico cicr ciii cin- cinc cini cino cion cior cipo cipp circ ciri ciro cirr cnci cnco cncp cnic cnrc cnrr coco cocp coin coip coir con- conc coni conn cono coon coop copi copo copp copr cor- corc cori corn coro corp corr cpic cpio cpni cpri crcc crcr cric crin crip croc cron croo crop cror crpc i-no iccc icci iccn icco iccp iccr icnc icoc icon icor icpc icpo icrc icrr iiii iiio iino iioi iioo iiop iirc inci inco incr inni inno innr ino- inoi inon inor inp- inpi inpp inri inro ioci iocp ioii ioio ioni ionn iono iooi iooo iori ipcc ipin ipop ippc ippo ippr ipri ircc iri- iric irin irio irip iroc iron irop irpc irrc irri n-ii nccc ncci nccn nccp nccr ncip ncnc ncoc ncor ncpc ncrc ncri ncrp nicc nici nico niip niir nini nino nion nioo nipc nipr niro nnnn nnpi nnpr noci noco noin noio noir non- noni nonn nono noo- noon nooo noop noor nor- norc nori norn noro norr npcc npic npin nppc npri nric nroc nron nrpc nrpn nrrc occc occi occn ocin ocon ocpp ocro ocrr oici oiii oion oipc onc- onco onic onir onni onno onon onor oocr oooo opic opii opin opio opo- opon opor oppi oppo orci orco ori- oric orin orio ornc orni orno oro- oron oror orpc orpi orri orro pccc pcin pcip pcpn pcpp pcrc picc pici pico picr piip pinc pini pinn pino pinp pion pipi pipo pipp pirc piri pirn piro pirr pnic pnin pnon pnpo pnpp pnro poco poin poio ponc poni pono ponp poon poop poor pop- popc popi popo popp porc pori porn poro porr ppcc ppci ppic pppn pppo pppp pprc prcc prcp pri- prii prin prnp pro- proc pron proo prop prri rccc rcic rcnr rcon rcpi rcpo ricc rico riin rinn rino rion ripi ripp ripr riri rnco rncp rnin rocc roco roin roio roir ronc roni rono rooi roon roop roor ropo rorc rori roro rpii rpon rppn rrrr