c-cd cccc cccf cccl cccm cccs ccdc ccdf ccdm ccdn ccdr ccds ccfc ccfd ccff ccfl cclc cclm ccls ccmc ccmd ccmm ccms ccnc ccnf ccnm ccnr ccns ccrc ccrf ccrl ccrs ccrt ccsd ccsf ccsl ccsn ccss ccst cctc cctl cctt cd-r cdcs cddl cddr cdfs cdls cdmf cdms cdnc cdnf cdrs cdss cfcf cfcl cfcm cfcn cfcs cfds cffr cfln cfls cfml cfms cfnm cfnr cfns cfrn cfrt cfsl cftc cftl cftr clcd cldc cldr clmd clrd clrs clsc clsm cltc clts cmcc cmcs cmdr cmll cmmc cmml cmmn cmms cmrn cmrr cmrs cmsc cmsf cmsn cmst cmtc cndd cnrc cnrr cnrt cnsl cnss cntc cntf cntm cntr crcc crcr crdc crfc crfl crfs crlf crls crmn crms crns crrt crss crst crtc crtf crtl crtm crts cscc cscd cscf cscl cscr cscs csdn csdr csfc csfr csld cslr csmc csrc csrd csrs cssd cssm cssr cstc cstd cstm cstr csts ctcf ctfc ctfs ctls ctns ctrc ctrl ctrm ctrn ctrs ctsc ctsn ctss cttn ctts dccc dccl dccs dcct dcds dcfc dcfs dcls dcml dcms dcns dcsc dcss dctc dctm dcts dddd ddlc ddrc ddss ddts dfcc dfcs dfds dfdt dfrf dfsm dftr dfts dlcs dlrs dlst dmcc dmcm dmcs dmdc dmds dmdt dmft dmrc dmss dmst dmtf dmtn dmts dncs dnrc dnsc dntt drfc drms drrs dscc dscn dscr dscs dsdm dsdr dsfc dsls dsmc dsml dsms dsrc dsrr dssc dssn dsst dstc dstn dsts dtcc dtfc dtrl dtss fccf fcds fcmr fcnl fcsc fcsl fcst fdlr fdml fdnm fdst fdtc fdtl ffcc ffff ffrr ffss fftf flcl fldr flnc flts fmcs fmsr fmss fndd fndn fndr fnlc fnrs frcc frcn frfc frmn frns frsc frsm frst fscc fsln fssc fssf ft-c ft-l ftcd ftfc ftrs ftsr lccc lccm lccs lcdd lcdr lcds lcfc lcfr lcls lcms lcrd lcrl lcrs lcsc lcsd lcsr lctl lctm lcts ldcf lddm ldls ldrs lfcc lfmr lfrd lfts llcc llcs lldc llds lllc llll llms lmcc lmds lmfm lmln lmmr lmms lmnt lmrs lmsr lncr lndn lnfs lntc lntm lnts lrcs lrdd lrds lrfc lrmc lrmt lrrc lrrr lrsm lrst lrts ls-r lscm lscs lsds lsfc lsrc lssr lsts ltcc ltcs ltds ltfc ltns ltnt ltrs ltsr lttc lttr mccc mccd mccl mcdc mcdd mcdl mcfc mcfd mclt mcmc mcml mcmt mcrc mcrd mcsd mcss mcst mctc mcts mdcc mdcl mddl mddm mdds mdmc mdmf mdnt mdrc mdsd mdst mfcc mfds mfrs mftf mlcc mldr mlnr mlrs mlss mltr mmcc mmcd mmcl mmcm mmcs mmct mmdc mmdf mmdl mmds mmfd mmff mmmc mmmd mmmm mmms mmrc mmrf mmsc mmsd mmst mmts mndr mnls mntn mr-c mrcc mrcs mrdd mrds mrfc mrln mrls mrmc mrmd mrml mrnc mrrc mrsc mrsd mrsl mrtm mrtn mrts mrtt mscc mscl msdc msdn msfc msff msfs msft msmc msml msmm msms msrt mssf mssm mssr msst mstc mstr msts mtcr mtfc mtff mtld mtns mtnt mtrc mtrl mtrr mtsl mtss mtst mttr mtts nccc nccf nccn nccr nccs ncct ncdc ncdn ncdr ncds ncfc nclc ncln nclr ncmm ncnc ncnd ncrc ncsc ncsf ncsl ncss ncst nctc nctr ndcc ndcs ndls ndmc ndnt ndrc ndrf ndsf ndsl ndss ndtc nfct nfdc nfff nfld nfrs nfsm nfsr nftc nlcc nlcf nlcs nlls nlsc nmdc nmds nmff nmfs nmls nmmc nmml nmnt nmrc nmtc nnls nnmc nnmt nnnn nnsl nnss nntn nrcs nrdc nrds nrfc nrml nrrc nrrd nrrl nrsc nrtl nrts nscc nscd nscl nscs nsdf nsdl nsds nsdt nsfc nsfs nslr nsls nsmc nsnr nsrc nsrd nsrl nssc nssf nssr nsss nstc nstd nstl nsts ntcc ntds ntfc ntfl ntfs ntnd ntrc ntrl ntsc ntsf ntss nttm nttr rccc rccs rcdc rcds rcfc rcls rcms rcnl rcnr rcrd rcsc rcsd rcsl rcss rctc rcts rdcm rdms rfds rffc rffl rftc rlcs rlds rldt rlls rlml rlms rmll rmsc rmst rncs rndc rndf rndm rnds rnld rnnt rntd rrfc rrmc rrrr rscc rscn rscs rsdd rsdl rsds rsfc rslc rsml rsnn rsnr rssl rsts rtcc rtcm rtdt rtfc rtfm rtls rtlt rtmc rtml rtms rtnd rtns rtss rtts sccc sccl sccm sccs scct scdc scdf scds scfc scfm scl- sclc sclm scls scmc scmm scms scnd scnr scnt scr- scrc scrn scrs scsc scsd scsl scsn scsr scst sctc sctd sctl sctn sctr scts sdcc sddc sdds sdfc sdlc sdls sdlt sdms sdrc sdrs sdsc sdsf sdsl sdsm sdss sdtm sfcc sfcs sfdc sffc sflc sfls sfmm sfnt sfrc sfss sfts slcc slcd slds slft sllm slln slmm slrc slrn slrs slsc slst slts smcc smdc smdr smlc smls smnc smrf smrt smsc smsd smsn smss smtc smtd smtn sncc sncf snlf snns snrs snsd sntr srcc srct srfc srmc srnn srsd srtr sscc sscs ssdc ssdd ssdf ssdm ssfc ssfl sslc sslt ssmc ssml ssns ssrc ssrl ssrm ssrs sssc sssf sssm ssss sstc sstd sstl ssts stcc stcs stdm stds stfc stfn stlc stld stln stlt stmc stms stmt stnd stnn stnr stns strc strd strn strs stsf stsm stss sttc sttd sttr tccc tcdd tcfc tcnn tctc tcts tdff tdls tdss tfdc tfrs tfsd tfss tftc tldr tlrs tmcc tmcm tmnt tmsc tmtt tncc tndd tndf tnfc tnfl tnts trcc trcl trfc trfd trfm trfr trmd trml trms trsd trst trtc trtr tscc tsfc tsfl tsfm tsmc tssf tssm tssr tsst tstc tstm tsts ttcn ttfc ttff ttfn ttml ttms ttss tttt