cccc cccm cccs ccmc ccmm ccms ccnc ccnm ccns ccsn ccss ccst cctc cctt cmcc cmcs cmmc cmmn cmms cmsc cmsn cmst cmtc cnss cntc cntm cscc cscs csmc cssm cstc cstm csts ctns ctsc ctsn ctss cttn ctts mccc mcmc mcmt mcss mcst mctc mcts mmcc mmcm mmcs mmct mmmc mmmm mmms mmsc mmst mmts mntn mscc msmc msmm msms mssm msst mstc msts mtns mtnt mtss mtst mtts nccc nccn nccs ncct ncmm ncnc ncsc ncss ncst nctc nmmc nmnt nmtc nnmc nnmt nnnn nnss nntn nscc nscs nsmc nssc nsss nstc nsts ntcc ntsc ntss nttm sccc sccm sccs scct scmc scmm scms scnt scsc scsn scst sctc sctn scts smcc smnc smsc smsn smss smtc smtn sncc snns sscc sscs ssmc ssns sssc sssm ssss sstc ssts stcc stcs stmc stms stmt stnn stns stsm stss sttc tccc tcnn tctc tcts tmcc tmcm tmnt tmsc tmtt tncc tnts tscc tsmc tssm tsst tstc tstm tsts ttcn ttms ttss tttt