a-a a-c aaa aac aae aag aah aan aas ac- aca acc ace acg ach acn acs aea aec aee aeg aeh aen aes ag- aga agc age agg agh agn ags aha ahc ahe ahg ahh ahn ahs an- ana anc ane ang anh ann ans as- asa asc ase asg ash asn ass c-- caa cac cae cag cah can cas cca ccc cce ccg cch ccn ccs ce- cea cec cee ceg ceh cen ces cga cgc cge cgg cgh cgn cgs ch- cha chc che chg chh chn chs cn- cna cnc cne cng cnh cnn cns csa csc cse csg csh csn css eaa eac eae eag eah ean eas ec- eca ecc ece ecg ech ecn ecs eea eec eee eeg een ees ega egc ege egg egh egn egs eha ehc ehe ehg ehh ehn ehs en- ena enc ene eng enh enn ens es- esa esc ese esg esh esn ess gaa gac gae gag gah gan gas gca gcc gce gcg gch gcn gcs ge- gea gec gee geg geh gen ges gga ggc ggg ggh ggn ggs gha ghc ghe ghg ghh ghn ghs gna gnc gne gnn gns gsa gsc gse gsg gsn gss haa hac hae hag hah han has hca hcc hce hcg hch hcn hcs he- hea hec hee heg heh hen hes hga hgc hge hgg hgh hgn hgs hha hhc hhe hhg hhh hhn hhs hna hnc hne hng hnh hnn hns hsa hsc hse hsg hsh hsn hss naa nac nae nag nah nan nas nca ncc nce ncg nch ncn ncs ne- nea nec nee neg neh nen nes nga ngc nge ngg ngh ngn ngs nha nhc nhe nhg nhh nhn nhs nna nnc nne nng nnh nnn nns nsa nsc nse nsg nsh nsn nss saa sac sae sag sah san sas sca scc sce scg sch scn scs se- sea sec see seg seh sen ses sga sgc sge sgg sgh sgn sgs sh- sha shc she shg shh shn shs sna snc sne sng snn sns ss- ssa ssc sse ssg ssh ssn sss