cccc cccf ccci cccp ccfc ccff ccfi ccic ccii ccip ccir ccnc ccnf ccni ccnp ccnr ccoc ccpn ccpp ccpr ccrc ccrf ccri ccrp cfcf cfcn cfco cffr cfni cfnr cfor cfpo cfpr cfrn cfrp cicc cici cico cicr ciff ciii cin- cinc cinf cini cino cion cior cipf cipo cipp circ ciri ciro cirr cnci cnco cncp cnic cnrc cnrr coco cocp cofc coff cofi coif coin coip coir con- conc conf coni conn cono coof coon coop copi copo copp copr cor- corc corf cori corn coro corp corr cpff cpic cpif cpio cpni cpri crcc crcr crfc cric crif crin crip croc cron croo crop cror crpc fccf fccp fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo fiii fini finn fino finp fion fior fipp firn fnci foci foco fofo foin fono foof foon fopp for- fori forn foro forr fp-c fpcc fpin fprf frcc frcn frcp frfc fric frin frio frip fron frop i-no iccc iccf icci iccn icco iccp iccr icnc icoc icon icor icpc icpo icrc icrf icrr ifco ifcp ific ifni ifno ifnr ifor ifpo ifrf ifri iiii iiio iino iioi iioo iiop iipf iirc inci inco incr infi info infp inni inno innr ino- inoi inon inor inp- inpi inpp inri inro ioci iocp iofc ioii ioio ioni ionn iono ioof iooi iooo iori ipcc ipfc ipin ipop ippc ippf ippo ippr ipri ircc iri- iric irin irio irip iroc iron irop irpc irrc irri n-ii nccc nccf ncci nccn nccp nccr ncfc ncip ncnc ncoc ncor ncpc ncrc ncri ncrp nfff nfic nfip nfon nicc nicf nici nico nifc niff niip niir nini nino nion nioo nipc nipr niro nnnn nnpi nnpr noci noco nofi noif noin noio noir non- noni nonn nono noo- noon nooo noop noor nor- norc norf nori norn noro norr npcc npic npif npin nppc npri nrfc nric nroc nron nrpc nrpn nrrc occc occi occn ocfp ocin ocon ocpp ocro ocrr ofcr off- offc offo offr ofno ofor oici oiii oion oipc onc- oncf onco onic onir onni onno onon onor oocr ooff oooo opic opii opin opio opo- opon opor oppi oppo orci orco orff orfi ori- oric orif orin orio ornc orni orno oro- orof oron oror orpc orpi orri orro pccc pcfc pcin pcip pcpn pcpp pcrc pcrf pfff pffr pfic picc pici pico picr piff piip pinc pini pinn pino pinp pion pipi pipo pipp pirc piri pirn piro pirr pnic pnin pnon pnpo pnpp pnro poco poff pofi poin poio ponc poni pono ponp poof poon poop poor pop- popc popi popo popp porc pori porn poro porr ppcc ppci ppic ppif pppn pppo pppp pprc pprf prcc prcf prcp prfc pri- prif prii prin prnp pro- proc prof pron proo prop prri rccc rcfc rcic rcnr rcon rcpi rcpo rffc rfic ricc rico riff riif riin rinf rinn rino rion ripi ripp ripr riri rnco rncp rnin rocc roco rofc roff rofo roif roin roio roir ronc roni rono roof rooi roon roop roor ropo rorc rori roro rpfc rpii rpof rpon rppn rrfc rrif rrrr