-ic a-a a-c a-i a-t aaa aac aae aag aai aan aas aat ac- aca acc ace acg aci acn acs act aea aec aee aeg aei aen aes aet ag- aga agc age agg agi agn ags agt ai- aia aic aie aig aii ain ais ait an- ana anc ane ang ani ann ans ant as- asa asc ase asg asi asn ass ast at- ata atc ate atg ati atn ats att c-- caa cac cae cag cai can cas cat cca ccc cce ccg cci ccn ccs cct ce- cea cec cee ceg cei cen ces cet cga cgc cge cgg cgi cgn cgs cgt ci- cia cic cie cig cii cin cis cit cn- cna cnc cne cng cni cnn cns cnt csa csc cse csg csi csn css cst cta ctc cte ctg cti ctn cts ctt eaa eac eae eag eai ean eas eat ec- eca ecc ece ecg eci ecn ecs ect eea eec eee eeg een ees eet ega egc ege egg egi egn egs egt eia eic eie eig eii ein eis eit en- ena enc ene eng eni enn ens ent es- esa esc ese esg esi esn ess est eta etc ete etg eti etn ets ett gaa gac gae gag gai gan gas gat gca gcc gce gcg gci gcn gcs gct ge- gea gec gee geg gei gen ges get gga ggc ggg ggi ggn ggs ggt gia gic gie gig gii gin gis git gna gnc gne gni gnn gns gnt gsa gsc gse gsg gsi gsn gss gst gta gtc gte gtg gti gtn gts gtt ia- iaa iac iae iag iai ian ias iat ica icc ice icg ici icn ics ict ie- iea iec iee ieg iei ien ies iet iga igc ige igg igi ign igs igt iia iic iie iii iin iis iit in- ina inc ine ing ini inn ins int is- isa isc ise isg isi isn iss ist ita itc ite itg iti itn its itt n-i naa nac nae nag nai nan nas nat nca ncc nce ncg nci ncn ncs nct ne- nea nec nee neg nei nen nes net nga ngc nge ngg ngi ngn ngs ngt nia nic nie nig nii nin nis nit nna nnc nne nng nni nnn nns nnt nsa nsc nse nsg nsi nsn nss nst nta ntc nte ntg nti ntn nts ntt saa sac sae sag sai san sas sat sca scc sce scg sci scn scs sct se- sea sec see seg sei sen ses set sga sgc sge sgg sgi sgn sgs sgt sia sic sie sig sii sin sis sit sna snc sne sng sni snn sns snt ss- ssa ssc sse ssg ssi ssn sss sst sta stc ste stg sti stn sts stt taa tac tae tag tai tan tas tat tca tcc tce tcg tci tcn tcs tct te- tea tec tee teg tei ten tes tet tga tgc tge tgg tgi tgn tgs tgt tia tic tie tig tii tin tis tit tna tnc tne tng tni tnn tns tnt tsa tsc tse tsg tsi tsn tss tst tta ttc tte ttg tti ttn tts ttt