c-- ccc cce ccg ccl ccs cct ce- cec cee ceg cel ces cet cgc cge cgg cgl cgs cgt cl- clc cle clg cll cls clt csc cse csg csl css cst ctc cte ctg ctl cts ctt ec- ecc ece ecg ecl ecs ect eec eee eeg eel ees eet egc ege egg egl egs egt elc ele elg ell els elt es- esc ese esg esl ess est etc ete etg etl ets ett gcc gce gcg gcl gcs gct ge- gec gee geg gel ges get ggc ggg ggs ggt glc gle glg gll gls glt gsc gse gsg gsl gss gst gtc gte gtg gtl gts gtt lcc lce lcg lcl lcs lct lec lee leg lel les let lgc lge lgg lgl lgs lgt llc lle llg lll lls llt lsc lse lsg lsl lss lst ltc lte ltg ltl lts ltt scc sce scg scl scs sct se- sec see seg sel ses set sgc sge sgg sgl sgs sgt slc sle slg sll sls slt ss- ssc sse ssg ssl sss sst stc ste stg stl sts stt tcc tce tcg tcl tcs tct te- tec tee teg tel tes tet tgc tge tgg tgl tgs tgt tlc tle tlg tll tls tlt tsc tse tsg tsl tss tst ttc tte ttg ttl tts ttt