a-a a-c aaa aac aad aae aag aao aap aas ac- aca acc acd ace acg aco acp acs ad- ada adc add ade adg ado adp ads aea aec aed aee aeg aeo aep aes ag- aga agc agd age agg ago agp ags aoa aoc aod aoe aog aoo aop aos ap- apa apc apd ape apg apo app aps as- asa asc asd ase asg aso asp ass c-- caa cac cad cae cag cao cap cas cca ccc ccd cce ccg cco ccp ccs cda cdc cdd cde cdg cdo cdp cds ce- cea cec ced cee ceg ceo cep ces cga cgc cgd cge cgg cgo cgp cgs co- coa coc cod coe cog coo cop cos cpa cpc cpd cpe cpg cpo cpp cps csa csc csd cse csg cso csp css daa dac dad dae dag dao dap das dca dcc dcd dce dcg dco dcp dcs dda ddc ddd dde ddg ddo ddp dds de- dea dec ded dee deg deo dep des dga dgc dgd dge dgg dgp dgs doa doc dod doe dog doo dop dos dpa dpc dpd dpe dpg dpo dpp dps dsa dsc dsd dse dsg dso dsp dss eaa eac ead eae eag eao eap eas ec- eca ecc ecd ece ecg eco ecs ed- eda edc edd ede edg edo edp eds eea eec eed eee eeg eeo eep ees ega egc egd ege egg ego egp egs eo- eoa eoc eod eoe eog eoo eop eos ep- epa epc epd epe epg epo epp eps es- esa esc esd ese esg eso esp ess g-d g-p gaa gac gad gae gag gao gap gas gca gcc gcd gce gcg gco gcp gcs gda gdc gdd gde gdo gdp gds ge- gea gec ged gee geg geo gep ges gga ggc ggd ggg ggo ggp ggs goa goc god goe gog goo gop gos gpa gpc gpd gpe gpg gpo gpp gps gsa gsc gsd gse gsg gso gsp gss oaa oac oad oae oag oao oap oas oc- oca occ ocd ocg oco ocp ocs oda odc odd ode odg odo odp ods oea oec oed oee oeg oeo oep oes oga ogc ogd oge ogg ogo ogp ogs oo- ooa ooc ood oog ooo oop oos op- opa opc opd ope opg opo opp ops os- osa osc osd ose osg oso osp oss p-p paa pac pad pae pag pao pap pas pca pcc pcd pce pcg pco pcp pcs pda pdc pdd pde pdg pdo pdp pds pea pec ped pee peg peo pep pes pga pgc pgd pge pgg pgo pgp pgs poa poc pod poe pog poo pop pos ppa ppc ppd ppe ppg ppo ppp pps ps- psa psc psd pse psg pso psp pss saa sac sad sae sag sao sap sas sca scc scd sce scg sco scp scs sda sdc sdd sde sdg sdo sdp sds se- sea sec sed see seg seo sep ses sga sgc sgd sge sgg sgo sgp sgs soa soc sod soe sog soo sop sos spa spc spd spe spg spo spp sps ss- ssa ssc ssd sse ssg sso ssp sss