c-- ccc cce ccg ccl ccn ccs cct ce- cec cee ceg cel cen ces cet cgc cge cgg cgl cgn cgs cgt cl- clc cle clg cll cln cls clt cn- cnc cne cng cnl cnn cns cnt csc cse csg csl csn css cst ctc cte ctg ctl ctn cts ctt ec- ecc ece ecg ecl ecn ecs ect eec eee eeg eel een ees eet egc ege egg egl egn egs egt elc ele elg ell eln els elt en- enc ene eng enl enn ens ent es- esc ese esg esl esn ess est etc ete etg etl etn ets ett gcc gce gcg gcl gcn gcs gct ge- gec gee geg gel gen ges get ggc ggg ggn ggs ggt glc gle glg gll gln gls glt gnc gne gnl gnn gns gnt gsc gse gsg gsl gsn gss gst gtc gte gtg gtl gtn gts gtt lcc lce lcg lcl lcn lcs lct lec lee leg lel len les let lgc lge lgg lgl lgn lgs lgt llc lle llg lll lln lls llt lnc lne lng lnl lnn lns lnt lsc lse lsg lsl lsn lss lst ltc lte ltg ltl lts ltt ncc nce ncg ncl ncn ncs nct ne- nec nee neg nel nen nes net ngc nge ngg ngl ngn ngs ngt nlc nle nlg nll nln nls nlt nnc nne nng nnl nnn nns nnt nsc nse nsg nsl nsn nss nst ntc nte ntg ntn nts ntt scc sce scg scl scn scs sct se- sec see seg sel sen ses set sgc sge sgg sgl sgn sgs sgt slc sle slg sll sln sls slt snc sne sng snl snn sns snt ss- ssc sse ssg ssl ssn sss sst stc ste stg stl stn sts stt tcc tce tcg tcl tcn tcs tct te- tec tee teg tel ten tes tet tgc tge tgg tgl tgn tgs tgt tlc tle tlg tll tln tls tlt tnc tne tng tnl tnn tns tnt tsc tse tsg tsl tsn tss tst ttc tte ttg ttl ttn tts ttt