cccc cccf cccl ccfc ccff ccfl cclc ccnc ccnf ccnr ccoc ccrc ccrf ccrl ccrt cctc cctl cctt cfcf cfcl cfcn cfco cffr cfln cfnr cfor cfrn cfrt cftc cftl cftr clof clon cloo clor clot clro cltc cnco cnrc cnrr cnrt cntc cntf cntr coco coct cofc coff coft col- coll coln colo colt con- conc conf conn cono cont coof cool coon coot cor- corc corf corl corn coro corr cort cotc cotn coto cott crcc crcr crfc crfl crlf croc crol cron croo cror crot crrt crtc crtf crtl ctcf ctfc ctfo ctol ctor ctot ctrc ctrl ctrn cttn fccf fcnl fcot fcto ffcc ffff ffrr fftf flcl flnc floc flon floo flor flot fnlc foco fofo folc foll folo folr folt fono font foof fool foon foot for- forl forn foro forr fort foto fott frcc frcn frfc frol fron frot ft-c ft-l ftfc lccc lcfc lcfr lcor lcrl lctl lcto lfcc llcc lllc llll lloc lloo lncr lntc locc locn loco loff lofn loft loll lolo lono lonr lont looc loof lool loon loor loot lorn loro lotl loto lotr lott lrfc lroc lron lrrc lrrr ltcc ltfc ltnt lttc lttr nccc nccf nccn nccr ncct ncfc nclc ncln nclr ncnc ncoc ncor ncrc nctc nctr nfct nfff nfon nftc nfto nlcc nlcf nnnn nnot nntn nocl noco noct nolf noll nolo nolt non- nonn nono nont noo- nool noon nooo noor noot nor- norc norf norn noro norr nort not- noto nott nrfc nroc nron nrrc nrrl nrtl ntcc ntfc ntfl ntof ntrc ntrl ntto nttr occc occn occt oclc ocon ocrl ocro ocrr oct- octo ofcl ofcr off- offc offo offr ofno ofor olcc ollo olof olon olor olot onc- oncf onco onct onlf onno onon onor ont- ontc onto oocr ooff oolo oont oooo oort orco orff orlo ornc orno oro- orof oron oror orot orro ortc orto otcl otfc oto- otof oton otoo otor otro otto rccc rcfc rcnl rcnr rcon rctc rffc rffl rftc rnco rnnt rnot rocc roco rofc roff rofl rofo rolf roll rolo rolt ronc rono ront roof rool roon roor root rorc roro rort rotc rotl rotn roto rotr rott rrfc rrrr rtcc rtfc rtlt tccc tcfc tcnn tcon tctc tfot tftc tlco tlon tncc tnfc tnfl toco toff tofo toft tol- toll tolo tolt tonn tono toof tool toon toor toot torc torf torn toro torr tort totc toto totr tott trcc trcl trfc trfr trno troc tron troo trot trtc trtr ttcn ttfc ttff ttfn tton tttt