a-a aaa aad aae aaf aag aas ad- ada add ade adf adg ads aea aed aee aef aeg aes af- afa afd afe aff afg afs ag- aga agd age agf agg ags as- asa asd ase asf asg ass daa dad dae daf dag das dda ddd dde ddf ddg dds de- dea ded dee def deg des dfa dfd dfe dff dfg dfs dga dgd dge dgf dgg dgs dsa dsd dse dsf dsg dss eaa ead eae eaf eag eas ed- eda edd ede edf edg eds eea eed eee eef eeg ees ef- efa efd efe eff efg efs ega egd ege egf egg egs es- esa esd ese esf esg ess faa fad fae faf fag fas fda fdd fde fdf fdg fds fea fed fee fef feg fes ffa ffd ffe fff ffg ffs fga fgd fge fgf fgg fgs fsa fsd fse fsf fsg fss g-d gaa gad gae gaf gag gas gda gdd gde gdf gds ge- gea ged gee gef geg ges gfa gfd gfe gff gfs gga ggd ggg ggs gsa gsd gse gsf gsg gss saa sad sae saf sag sas sda sdd sde sdf sdg sds se- sea sed see sef seg ses sfa sfd sfe sff sfg sfs sga sgd sge sgf sgg sgs ss- ssa ssd sse ssf ssg sss