cccc ccci cccl cccp ccic ccii ccil ccip ccir ccix cclc ccli cclx ccoc ccpl ccpp ccpr ccrc ccri ccrl ccrp ccxi ccxl cicc cici cico cicr ciii cili cill cilo cilp cior cipo cipp circ ciri cirl ciro cirr cixi clic clii clio clip clir clix cloo clop clor clox clpp clpx clri clro clxi clxx coco cocp coil coip coir coix col- coli coll colo colp cool coop copi copo copp copr cor- corc cori corl coro corp corr cpic cpio cpix cplc cpox cpri crcc crcr cric crip croc crol croo crop cror crpc cxii cxix cxpo cxro cxxi cxxx iccc icci iccl icco iccp iccr icll iclp iclr icoc icor icpc icpo icrc icrr iiii iiio iioi iioo iiop iirc ilic ilio ilir ill- illi illo illp iloc iloo ilpr ilxx ioci iocp ioii ioio iolo iooi iooo iopl iori ipcc ipil ipix iplo ipop ippc ippo ippr ipri ircc ircx iri- iric iril irio irip irix iroc irop irpc irrc irri ixil ixxi lccc lcor lcpc lcpl lcrl lico licr liii liir lili lill lilo lio- lior lip- lipc lipi lipl lipo lipp lirc liri lirl liro lirp lirr lixi llcc lllc llll lloc lloo locc loci loco loic loir loix loli loll lolo looc lool loop loor lopi lopp lori loro lox- loxo lppl lprp lric lroc lroi lrrc lrrr lxii lxxi lxxx occc occi oclc ocpp ocrl ocro ocrr oici oiii oipc olcc olic olio olli ollo olor olpc oocr oolo oooo opic opii opio opo- opor oppi oppo orci orco ori- oric oril orio orix orlo oro- oror orpc orpi orri orro oxi- oxic oxo- oxox oxxo pccc pccl pcip pcll pclo pcpp pcrc pcrl picc pici pico picr piip pil- pili pill pilo pipi pipo pipp pirc piri pirl piro pirr pixl pixo pixx plcc plio plip ploc ploo plop plpp plri poco poil poio poix poli poll polo pool poop poor pop- popc popi popo popp porc pori poro porr ppcc ppci ppic ppli pplo pppo pppp pprc prcc prcp pri- prii prix prlr pro- proc prol proo prop prox prri rccc rcic rcpi rcpo ricc rico rill rilo rilp riol ripi ripl ripp ripr riri rixc rixo rocc roco roil roio roir roll rolo rolp rooi rool roop roor roox ropo rorc rori roro roxo rpii rpix rrrr xcii xcri xico xiii xil- xili xill xilp xixi xlii xlix xloc xlox xoco xolo xoro xorp xoxo xpcc xxii xxix xxxi xxxo xxxx