cccc cccs ccgc ccgs ccgt ccnc ccns ccsg ccsn ccss ccst cctc cctt cgcc cgcg cggs cgns cgss cgst cnss cntc cscc cscs csgn cstc cstg csts ctns ctsc ctsn ctss cttn ctts gc-c gccc gccs gcss gcst gctc gcts gggg ggss gncc gngc gtcs nccc nccn nccs ncct ncgs ncnc ncsc ncss ncst nctc ngns ngsn ngtn ngts nngn nnnn nnss nntn nscc nscs nssc nsss nstc nsts ntcc ntsc ntss sccc sccs scct scgs scnt scsc scsn scst sctc sctn scts sgcg sggg sggs sgss sgts sncc snns sscc sscs ssgs ssgt ssns sssc ssss sstc ssts stcc stcs stng stnn stns stss sttc tccc tcnn tctc tcts tgcc tgtc tgts tncc tngs tnts tscc tscg tsgt tssg tsst tstc tsts ttcn ttss tttt