-er a-a aaa aad aae aag aar aas ad- ada add ade adg adr ads aea aed aee aeg aer aes ag- aga agd age agg agr ags ar- ara ard are arg arr ars as- asa asd ase asg asr ass daa dad dae dag dar das dda ddd dde ddg ddr dds de- dea ded dee deg der des dga dgd dge dgg dgr dgs dra drd dre drg drr drs dsa dsd dse dsg dsr dss eaa ead eae eag ear eas ed- eda edd ede edg edr eds eea eed eee eeg eer ees ega egd ege egg egr egs era erd ere erg err ers es- esa esd ese esg esr ess g-d gaa gad gae gag gar gas gda gdd gde gdr gds ge- gea ged gee geg ger ges gga ggd ggg ggr ggs gra grd gre grg grr grs gsa gsd gse gsg gsr gss ra- raa rad rae rag rar ras rda rdd rde rdg rdr rds re- rea red ree reg rer res rga rgd rge rgg rgr rgs rra rrd rrg rrr rrs rsa rsd rse rsg rsr rss saa sad sae sag sar sas sda sdd sde sdg sdr sds se- sea sed see seg ser ses sga sgd sge sgg sgr sgs sr- sra srd sre srg srr srs ss- ssa ssd sse ssg ssr sss