-ic c-- ccc ccd cce ccg cci ccs cct cdc cdd cde cdg cdi cds cdt ce- cec ced cee ceg cei ces cet cgc cgd cge cgg cgi cgs cgt ci- cic cid cie cig cii cis cit csc csd cse csg csi css cst ctc ctd cte ctg cti cts ctt dcc dcd dce dcg dci dcs dct ddc ddd dde ddg ddi dds ddt de- dec ded dee deg dei des det dgc dgd dge dgg dgi dgs dgt di- dic did die dig dii dis dit dsc dsd dse dsg dsi dss dst dtc dtd dte dtg dti dts dtt ec- ecc ecd ece ecg eci ecs ect ed- edc edd ede edg edi eds edt eec eed eee eeg ees eet egc egd ege egg egi egs egt eic eid eie eig eii eis eit es- esc esd ese esg esi ess est etc etd ete etg eti ets ett g-d gcc gcd gce gcg gci gcs gct gdc gdd gde gdi gds gdt ge- gec ged gee geg gei ges get ggc ggd ggg ggi ggs ggt gic gid gie gig gii gis git gsc gsd gse gsg gsi gss gst gtc gtd gte gtg gti gts gtt i-d icc icd ice icg ici ics ict idc idd ide idg idi ids idt ie- iec ied iee ieg iei ies iet igc igd ige igg igi igs igt iic iid iie iii iis iit is- isc isd ise isg isi iss ist itc itd ite itg iti its itt scc scd sce scg sci scs sct sdc sdd sde sdg sdi sds sdt se- sec sed see seg sei ses set sgc sgd sge sgg sgi sgs sgt sic sid sie sig sii sis sit ss- ssc ssd sse ssg ssi sss sst stc std ste stg sti sts stt tcc tcd tce tcg tci tcs tct tdc tdd tde tdg tdi tds tdt te- tec ted tee teg tei tes tet tgc tge tgg tgi tgs tgt tic tid tie tig tii tis tit tsc tsd tse tsg tsi tss tst ttc ttd tte ttg tti tts ttt