a-a a-c aaa aac aad aae aag aan aao aas ac- aca acc acd ace acg acn aco acs ad- ada adc add ade adg adn ado ads aea aec aed aee aeg aen aeo aes ag- aga agc agd age agg agn ago ags an- ana anc and ane ang ann ano ans aoa aoc aod aoe aog aon aoo aos as- asa asc asd ase asg asn aso ass c-- caa cac cad cae cag can cao cas cca ccc ccd cce ccg ccn cco ccs cda cdc cdd cde cdg cdn cdo cds ce- cea cec ced cee ceg cen ceo ces cga cgc cgd cge cgg cgn cgo cgs cn- cna cnc cnd cne cng cnn cno cns co- coa coc cod coe cog con coo cos csa csc csd cse csg csn cso css daa dac dad dae dag dan dao das dca dcc dcd dce dcg dcn dco dcs dda ddc ddd dde ddg ddn ddo dds de- dea dec ded dee deg den deo des dga dgc dgd dge dgg dgn dgs dna dnc dnd dne dng dnn dno dns doa doc dod doe dog don doo dos dsa dsc dsd dse dsg dsn dso dss eaa eac ead eae eag ean eao eas ec- eca ecc ecd ece ecg ecn eco ecs ed- eda edc edd ede edg edn edo eds eea eec eed eee eeg een eeo ees ega egc egd ege egg egn ego egs en- ena enc end ene eng enn eno ens eo- eoa eoc eod eoe eog eon eoo eos es- esa esc esd ese esg esn eso ess g-d gaa gac gad gae gag gan gao gas gca gcc gcd gce gcg gcn gco gcs gda gdc gdd gde gdn gdo gds ge- gea gec ged gee geg gen geo ges gga ggc ggd ggg ggn ggo ggs gna gnc gnd gne gnn gno gns goa goc god goe gog gon goo gos gsa gsc gsd gse gsg gsn gso gss naa nac nad nae nag nan nao nas nca ncc ncd nce ncg ncn nco ncs nda ndc ndd nde ndg ndn ndo nds ne- nea nec ned nee neg nen neo nes nga ngc ngd nge ngg ngn ngo ngs nna nnc nne nng nnn nno nns no- noa noc nod noe nog non noo nos nsa nsc nsd nse nsg nsn nso nss oaa oac oad oae oag oan oao oas oc- oca occ ocd ocg ocn oco ocs oda odc odd ode odg odn odo ods oea oec oed oee oeg oen oeo oes oga ogc ogd oge ogg ogn ogo ogs on- ona onc ond one ong onn ono ons oo- ooa ooc ood oog oon ooo oos os- osa osc osd ose osg osn oso oss saa sac sad sae sag san sao sas sca scc scd sce scg scn sco scs sda sdc sdd sde sdg sdn sdo sds se- sea sec sed see seg sen seo ses sga sgc sgd sge sgg sgn sgo sgs sna snc snd sne sng snn sno sns soa soc sod soe sog son soo sos ss- ssa ssc ssd sse ssg ssn sso sss