a-a a-c aaa aac aad aae aaf aag aao aap aas ac- aca acc acd ace acf acg aco acp acs ad- ada adc add ade adf adg ado adp ads aea aec aed aee aef aeg aeo aep aes af- afa afc afd afe aff afg afo afp afs ag- aga agc agd age agf agg ago agp ags aoa aoc aod aoe aof aog aoo aop aos ap- apa apc apd ape apf apg apo app aps as- asa asc asd ase asf asg aso asp ass c-- caa cac cad cae caf cag cao cap cas cca ccc ccd cce ccf ccg cco ccp ccs cda cdc cdd cde cdf cdg cdo cdp cds ce- cea cec ced cee cef ceg ceo cep ces cfa cfc cfd cfe cff cfg cfo cfp cfs cga cgc cgd cge cgg cgo cgp cgs co- coa coc cod coe cof cog coo cop cos cpa cpc cpd cpe cpf cpg cpo cpp cps csa csc csd cse csf csg cso csp css daa dac dad dae daf dag dao dap das dca dcc dcd dce dcf dcg dco dcp dcs dda ddc ddd dde ddf ddg ddo ddp dds de- dea dec ded dee def deg deo dep des dfa dfc dfd dfe dff dfg dfo dfp dfs dga dgc dgd dge dgf dgg dgp dgs doa doc dod doe dof dog doo dop dos dpa dpc dpd dpe dpf dpg dpo dpp dps dsa dsc dsd dse dsf dsg dso dsp dss eaa eac ead eae eaf eag eao eap eas ec- eca ecc ecd ece ecf ecg eco ecs ed- eda edc edd ede edf edg edo edp eds eea eec eed eee eef eeg eeo eep ees ef- efa efc efd efe eff efg efo efp efs ega egc egd ege egf egg ego egp egs eo- eoa eoc eod eoe eof eog eoo eop eos ep- epa epc epd epe epf epg epo epp eps es- esa esc esd ese esf esg eso esp ess faa fac fad fae faf fag fao fap fas fca fcc fcd fce fcf fcg fco fcp fcs fda fdc fdd fde fdf fdg fdo fdp fds fea fec fed fee fef feg feo fep fes ffa ffc ffd ffe fff ffg ffo ffp ffs fga fgc fgd fge fgf fgg fgp fgs foa foc foe fof fog foo fop fos fpa fpc fpd fpe fpg fpo fpp fps fsa fsc fsd fse fsf fsg fso fsp fss g-d g-p gaa gac gad gae gaf gag gao gap gas gca gcc gcd gce gcf gcg gco gcp gcs gda gdc gdd gde gdf gdo gdp gds ge- gea gec ged gee gef geg geo gep ges gfa gfc gfd gfe gff gfo gfp gfs gga ggc ggd ggg ggo ggp ggs goa goc god goe gof gog goo gop gos gpa gpc gpd gpe gpf gpg gpo gpp gps gsa gsc gsd gse gsf gsg gso gsp gss oaa oac oad oae oaf oag oao oap oas oc- oca occ ocd ocf ocg oco ocp ocs oda odc odd ode odf odg odo odp ods oea oec oed oee oef oeg oeo oep oes of- ofa ofc ofd ofe off ofg ofo ofp ofs oga ogc ogd oge ogf ogg ogo ogp ogs oo- ooa ooc ood oof oog ooo oop oos op- opa opc opd ope opf opg opo opp ops os- osa osc osd ose osf osg oso osp oss p-p paa pac pad pae paf pag pao pap pas pca pcc pcd pce pcf pcg pco pcp pcs pda pdc pdd pde pdf pdg pdo pdp pds pea pec ped pee pef peg peo pep pes pfa pfc pfd pfe pff pfg pfo pfp pfs pga pgc pgd pge pgf pgg pgo pgp pgs poa poc pod poe pof pog poo pop pos ppa ppc ppd ppe ppf ppg ppo ppp pps ps- psa psc psd pse psf psg pso psp pss saa sac sad sae saf sag sao sap sas sca scc scd sce scf scg sco scp scs sda sdc sdd sde sdf sdg sdo sdp sds se- sea sec sed see sef seg seo sep ses sfa sfc sfd sfe sff sfg sfo sfp sfs sga sgc sgd sge sgf sgg sgo sgp sgs soa soc sod soe sof sog soo sop sos spa spc spd spe spf spg spo spp sps ss- ssa ssc ssd sse ssf ssg sso ssp sss