-ic a-a a-c a-i a-t aaa aac aag aai aas aat ac- aca acc acg aci acs act ag- aga agc agg agi ags agt ai- aia aic aig aii ais ait as- asa asc asg asi ass ast at- ata atc atg ati ats att c-- caa cac cag cai cas cat cca ccc ccg cci ccs cct cga cgc cgg cgi cgs cgt ci- cia cic cig cii cis cit csa csc csg csi css cst cta ctc ctg cti cts ctt gaa gac gag gai gas gat gca gcc gcg gci gcs gct gga ggc ggg ggi ggs ggt gia gic gig gii gis git gsa gsc gsg gsi gss gst gta gtc gtg gti gts gtt ia- iaa iac iag iai ias iat ica icc icg ici ics ict iga igc igg igi igs igt iia iic iii iis iit is- isa isc isg isi iss ist ita itc itg iti its itt saa sac sag sai sas sat sca scc scg sci scs sct sga sgc sgg sgi sgs sgt sia sic sig sii sis sit ss- ssa ssc ssg ssi sss sst sta stc stg sti sts stt taa tac tag tai tas tat tca tcc tcg tci tcs tct tga tgc tgg tgi tgs tgt tia tic tig tii tis tit tsa tsc tsg tsi tss tst tta ttc ttg tti tts ttt