cccc ccci cccl cccp ccic ccii ccil ccip ccix cclc ccli cclx ccoc ccpl ccpp ccxi ccxl cicc cici cico ciii cili cill cilo cilp cipo cipp cixi clic clii clio clip clix cloo clop clox clpp clpx clxi clxx coco cocp coil coip coix col- coli coll colo colp cool coop copi copo copp cpic cpio cpix cplc cpox cxii cxix cxpo cxxi cxxx iccc icci iccl icco iccp icll iclp icoc icpc icpo iiii iiio iioi iioo iiop ilic ilio ill- illi illo illp iloc iloo ilxx ioci iocp ioii ioio iolo iooi iooo iopl ipcc ipil ipix iplo ipop ippc ippo ixil ixxi lccc lcpc lcpl lico liii lili lill lilo lio- lip- lipc lipi lipl lipo lipp lixi llcc lllc llll lloc lloo locc loci loco loic loix loli loll lolo looc lool loop lopi lopp lox- loxo lppl lxii lxxi lxxx occc occi oclc ocpp oici oiii oipc olcc olic olio olli ollo olpc oolo oooo opic opii opio opo- oppi oppo oxi- oxic oxo- oxox oxxo pccc pccl pcip pcll pclo pcpp picc pici pico piip pil- pili pill pilo pipi pipo pipp pixl pixo pixx plcc plio plip ploc ploo plop plpp poco poil poio poix poli poll polo pool poop pop- popc popi popo popp ppcc ppci ppic ppli pplo pppo pppp xcii xico xiii xil- xili xill xilp xixi xlii xlix xloc xlox xoco xolo xoxo xpcc xxii xxix xxxi xxxo xxxx