c-- ccc ccg ccn ccr ccs cct cgc cgg cgn cgr cgs cgt cn- cnc cng cnn cnr cns cnt crc crg crn crr crs crt csc csg csn csr css cst ctc ctg ctn ctr cts ctt gcc gcg gcn gcr gcs gct ggc ggg ggn ggr ggs ggt gnc gnn gnr gns gnt grc grg grn grr grs grt gsc gsg gsn gsr gss gst gtc gtg gtn gtr gts gtt ncc ncg ncn ncr ncs nct ngc ngg ngn ngs ngt nnc nng nnn nns nnt nrc nrg nrn nrr nrs nrt nsc nsg nsn nsr nss nst ntc ntg ntn ntr nts ntt rcc rcg rcn rcr rcs rct rgc rgg rgn rgr rgs rgt rnc rng rnn rnr rns rnt rrc rrg rrn rrr rrs rrt rsc rsg rsn rsr rss rst rtc rtg rtn rtr rts rtt scc scg scn scr scs sct sgc sgg sgn sgr sgs sgt snc sng snn snr sns snt sr- src srg srn srr srs srt ss- ssc ssg ssn ssr sss sst stc stg stn str sts stt tcc tcg tcn tcr tcs tct tgc tgg tgn tgr tgs tgt tnc tng tnn tnr tns tnt trc trg trn trr trs trt tsc tsg tsn tsr tss tst ttc ttg ttn ttr tts ttt