a-a aaa aad aae aaf aag aao aas ad- ada add ade adf adg ado ads aea aed aee aef aeg aeo aes af- afa afd afe aff afg afo afs ag- aga agd age agf agg ago ags aoa aod aoe aof aog aoo aos as- asa asd ase asf asg aso ass daa dad dae daf dag dao das dda ddd dde ddf ddg ddo dds de- dea ded dee def deg deo des dfa dfd dfe dff dfg dfo dfs dga dgd dge dgf dgg dgs doa dod doe dof dog doo dos dsa dsd dse dsf dsg dso dss eaa ead eae eaf eag eao eas ed- eda edd ede edf edg edo eds eea eed eee eef eeg eeo ees ef- efa efd efe eff efg efo efs ega egd ege egf egg ego egs eo- eoa eod eoe eof eog eoo eos es- esa esd ese esf esg eso ess faa fad fae faf fag fao fas fda fdd fde fdf fdg fdo fds fea fed fee fef feg feo fes ffa ffd ffe fff ffg ffo ffs fga fgd fge fgf fgg fgs foa foe fof fog foo fos fsa fsd fse fsf fsg fso fss g-d gaa gad gae gaf gag gao gas gda gdd gde gdf gdo gds ge- gea ged gee gef geg geo ges gfa gfd gfe gff gfo gfs gga ggd ggg ggo ggs goa god goe gof gog goo gos gsa gsd gse gsf gsg gso gss oaa oad oae oaf oag oao oas oda odd ode odf odg odo ods oea oed oee oef oeg oeo oes of- ofa ofd ofe off ofg ofo ofs oga ogd oge ogf ogg ogo ogs oo- ooa ood oof oog ooo oos os- osa osd ose osf osg oso oss saa sad sae saf sag sao sas sda sdd sde sdf sdg sdo sds se- sea sed see sef seg seo ses sfa sfd sfe sff sfg sfo sfs sga sgd sge sgf sgg sgo sgs soa sod soe sof sog soo sos ss- ssa ssd sse ssf ssg sso sss