cccc cccm cccs ccgc ccgs ccgt ccmc ccmm ccms ccnc ccnm ccnr ccns ccrc ccrg ccrs ccrt ccsg ccsn ccss ccst cctc cctt cgcc cgcg cggs cgmc cgns cgsm cgss cgst cmcc cmcs cmmc cmmn cmms cmrn cmrr cmrs cmsc cmsn cmst cmtc cnrc cnrr cnrt cnss cntc cntm cntr crcc crcr crgs crmn crms crns crrt crss crst crtc crtm crts cscc cscr cscs csgn csmc csrc csrs cssm cssr cstc cstg cstm cstr csts ctns ctrc ctrm ctrn ctrs ctsc ctsn ctss cttn ctts gc-c gccc gccs gcmc gcms gcrg gcss gcst gctc gcts gggg ggrn ggss gmcs gmmr gmrs gncc gngc gnmt gnrc gnrr grcc grmt grrr grrs grsm grss grtc gstr gtcr gtcs gtsm mccc mcmc mcmt mcrc mcss mcst mctc mcts mgmt mgrm mgrs mgsm mgts mmcc mmcg mmcm mmcs mmct mmgn mmmc mmmm mmms mmrc mmsc mmst mmts mngr mntn mr-c mrcc mrcs mrgn mrmc mrnc mrng mrrc mrsc mrtm mrtn mrts mrtt mscc msgr msgs msgt msmc msmm msms msrt mssg mssm mssr msst mstc mstr msts mtcr mtgs mtns mtnt mtrc mtrr mtss mtst mttr mtts nccc nccn nccr nccs ncct ncgr ncgs ncmm ncnc ncrc ncsc ncss ncst nctc nctr ngmn ngns ngsn ngtn ngts nmmc nmnt nmrc nmtc nngn nnmc nnmt nnnn nnss nntn nrcs nrrc nrsc nrts nscc nscs nsmc nsnr nsrc nssc nssr nsss nstc nsts ntcc ntrc ntsc ntss nttm nttr rccc rccs rcgc rcms rcnr rcrg rcsc rcss rctc rctg rcts rgtr rgts rmrg rmsc rmst rncs rngs rnnt rrmc rrrr rscc rscn rscs rsgc rsmg rsnn rsnr rsts rtcc rtcg rtcm rtgs rtmc rtms rtns rtss rtts sccc sccm sccs scct scgs scmc scmm scms scnr scnt scr- scrc scrn scrs scsc scsn scsr scst sctc sctn sctr scts sgcg sggg sggs sgsm sgss sgts smcc smgs smnc smrt smsc smsn smss smtc smtn sncc snns snrs sntr srcc srct srmc srnn srtr sscc sscs ssgs ssgt ssmc ssns ssrc ssrg ssrm ssrs sssc sssm ssss sstc ssts stcc stcs stgr stmc stms stmt stng stnn stnr stns strc strn strs stsm stss sttc sttr tccc tcnn tctc tcts tgcc tgtc tgts tmcc tmcm tmnt tmsc tmtt tncc tngs tnts trcc trms trng trst trtc trtr tscc tscg tsgt tsmc tssg tssm tssr tsst tstc tstm tsts ttcn ttms ttss tttt