a-a a-c aaa aac aad aag aao aar aas ac- aca acc acd acg aco acr acs ad- ada adc add adg ado adr ads ag- aga agc agd agg ago agr ags aoa aoc aod aog aoo aor aos ar- ara arc ard arg aro arr ars as- asa asc asd asg aso asr ass c-- caa cac cad cag cao car cas cca ccc ccd ccg cco ccr ccs cda cdc cdd cdg cdo cdr cds cga cgc cgd cgg cgo cgr cgs co- coa coc cod cog coo cor cos cra crc crd crg cro crr crs csa csc csd csg cso csr css daa dac dad dag dao dar das dca dcc dcd dcg dco dcr dcs dda ddc ddd ddg ddo ddr dds dga dgc dgd dgg dgr dgs doa doc dod dog doo dor dos dra drc drd drg dro drr drs dsa dsc dsd dsg dso dsr dss g-d gaa gac gad gag gao gar gas gca gcc gcd gcg gco gcr gcs gda gdc gdd gdo gdr gds gga ggc ggd ggg ggo ggr ggs goa goc god gog goo gor gos gra grc grd grg gro grr grs gsa gsc gsd gsg gso gsr gss oaa oac oad oag oao oar oas oc- oca occ ocd ocg oco ocr ocs oda odc odd odg odo odr ods oga ogc ogd ogg ogo ogs oo- ooa ooc ood oog ooo oor oos or- ora orc ord org oro orr ors os- osa osc osd osg oso osr oss ra- raa rac rad rag rao rar ras rca rcc rcd rcg rco rcr rcs rda rdc rdd rdg rdo rdr rds rga rgc rgd rgg rgo rgr rgs roa roc rod rog roo ror ros rra rrc rrd rrg rrr rrs rsa rsc rsd rsg rso rsr rss saa sac sad sag sao sar sas sca scc scd scg sco scr scs sda sdc sdd sdg sdo sdr sds sga sgc sgd sgg sgo sgr sgs soa soc sod sog soo sor sos sr- sra src srd srg sro srr srs ss- ssa ssc ssd ssg sso ssr sss