c-cd cccc ccci cccl cccp ccdc ccdi ccdp ccic ccid ccii ccil ccip cclc ccli ccoc ccod ccpl ccpp cddl cdic cdii cdio cdli cicc cici cico cidc cidi cidp ciid ciii cili cill cilo cilp cipo cipp clcd cldc clic clii clio clip clod cloo clop clpp coco cocp codd codi codl coil coip col- cold coli coll colo colp cood cool coop copd copi copo copp cpdl cpic cpio cplc cppd dccc dcci dccl dccp dcii dcil dcio dcli dcop dcpl dcpo dddd ddlc ddoc ddpo dici dico didi dido diii dili dill dilo dioc diol diop dipc dipl dipo dipp dlco dlii dlil doci doco dod- dodd dodi dodo doid doil dold doli doll dolo dolp dood dool doop dopo dopp dpci dpcp dpll dppc iccc icci iccl icco iccp icdc icdd icdl icdp icll iclp icoc icod icpc icpd icpo iddo idic idid idil idio idli idoc idol iicd iiii iiio iioi iioo iiop ilcd ilic ilio ill- illd illi illo illp iloc iloo ioci iocp iod- iodd iodo ioii ioio iolo iooi iooo iopl ipcc ipdc ipdi ipid ipil iplo ipod ipop ippc ippo lccc lcdd lcdp lcpc lcpd lcpl ldci lddp ldpc lico lidl lido liii lili lill lilo lio- liod lip- lipc lipi lipl lipo lipp llcc lldc lldp lllc llll lloc llod lloo locc loci loco lodi loic loid lold loli loll lolo looc lood lool loop lopi lopp lpod lppl occc occi oclc ocpd ocpp odci oddd oddi odic odio odoo odop oici oido oiii oipc olcc olic olid olio olli ollo olpc oodi ooid oold oolo oooo opic opii opio opo- oppi oppo pccc pccl pcip pcll pclo pcod pcpp pdci pdcp pdic pdlc pdoc picc pici pico pido piip pil- pild pili pill pilo pipi pipo pipp plcc plid plio plip ploc plod ploo plop plpp pocd poco pod- podd podi podo poid poil poio pold poli poll polo pood pool poop pop- popc popi popo popp ppcc ppcd ppci ppic ppid ppli pplo ppod pppd pppo pppp