-ic c-- ccc cce ccg cci ccs cct ccx ce- cec cee ceg cei ces cet cex cgc cge cgg cgi cgs cgt ci- cic cie cig cii cis cit cix csc cse csg csi css cst csx ctc cte ctg cti cts ctt ctx cxc cxi cxs cxt cxx ec- ecc ece ecg eci ecs ect ecx eec eee eeg ees eet eex egc ege egg egi egs egt egx eic eie eig eii eis eit eix es- esc ese esg esi ess est esx etc ete etg eti ets ett etx ex- exc exe exi exs ext exx gcc gce gcg gci gcs gct ge- gec gee geg gei ges get gex ggc ggg ggi ggs ggt gic gie gig gii gis git gsc gse gsg gsi gss gst gsx gtc gte gtg gti gts gtt gtx gxs gxt icc ice icg ici ics ict ie- iec iee ieg iei ies iet iex igc ige igg igi igs igt iic iie iii iis iit iix is- isc ise isg isi iss ist itc ite itg iti its itt itx ixc ixe ixi scc sce scg sci scs sct scx se- sec see seg sei ses set sex sgc sge sgg sgi sgs sgt sgx sic sie sig sii sis sit six ss- ssc sse ssg ssi sss sst ssx stc ste stg sti sts stt stx sxc sxi sxs sxt t-x tcc tce tcg tci tcs tct tcx te- tec tee teg tei tes tet tex tgc tge tgg tgi tgs tgt tic tie tig tii tis tit tix tsc tse tsg tsi tss tst tsx ttc tte ttg tti tts ttt ttx txe txi txs txt xci xcx xee xeg xes xet xex xge xgi xic xie xii xis xit xix xsc xsi xss xst xtc xti xts xtx xxi xxx