a-a a-c a-z aaa aac aad aag aao aar aas aaz ac- aca acc acd acg aco acr acs acz ad- ada adc add adg ado adr ads adz ag- aga agc agd agg ago agr ags agz aoa aoc aod aog aoo aor aos ar- ara arc ard arg aro arr ars arz as- asa asc asd asg aso asr ass asz az- aza azd azg azo azs azz c-- caa cac cad cag cao car cas caz cca ccc ccd ccg cco ccr ccs ccz cda cdc cdd cdg cdo cdr cds cdz cga cgc cgd cgg cgo cgr cgs co- coa coc cod cog coo cor cos coz cra crc crd crg cro crr crs crz csa csc csd csg cso csr css csz cz- czc czd czo daa dac dad dag dao dar das daz dca dcc dcd dcg dco dcr dcs dda ddc ddd ddg ddo ddr dds ddz dga dgc dgd dgg dgr dgs dgz doa doc dod dog doo dor dos doz dra drc drd drg dro drr drs drz dsa dsc dsd dsg dso dsr dss dsz dza dzd dzo dzr dzs g-d gaa gac gad gag gao gar gas gaz gca gcc gcd gcg gco gcr gcs gda gdc gdd gdo gdr gds gga ggc ggd ggg ggo ggr ggs ggz goa goc god gog goo gor gos goz gra grc grd grg gro grr grs gsa gsc gsd gsg gso gsr gss gza gzo gzr oaa oac oad oag oao oar oas oc- oca occ ocd ocg oco ocr ocs ocz 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 orz os- osa osc osd osg oso osr oss oza ozo ozs ozz ra- raa rac rad rag rao rar ras raz 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 roz rra rrc rrd rrg rrr rrs rsa rsc rsd rsg rso rsr rss rza rzo saa sac sad sag sao sar sas saz sca scc scd scg sco scr scs sda sdc sdd sdg sdo sdr sds sdz sga sgc sgd sgg sgo sgr sgs soa soc sod sog soo sor sos soz sr- sra src srd srg sro srr srs ss- ssa ssc ssd ssg sso ssr sss ssz sza szd szr z-g zaa zac zad zag zao zar zas zaz zco zcs zds zgg zgs zo- zoa zoc zod zog zoo zor zos zro zrs zsa zsg zsz zzr zzs zzz