-er a-a aaa aad aae aag aaj aar ad- ada add ade adg adj adr aea aed aee aeg aej aer ag- aga agd age agg agj agr aja ajd aje ajj ajr ar- ara ard are arg arj arr daa dad dae dag daj dar dda ddd dde ddg ddr de- dea ded dee deg dej der dga dgd dge dgg dgr dj- dja djd dje djg dra drd dre drg drj drr eaa ead eae eag eaj ear ed- eda edd ede edg edj edr eea eed eee eeg eer ega egd ege egg egr eja ejd era erd ere erg err g-d gaa gad gae gag gaj gar gda gdd gde gdr ge- gea ged gee geg ger gga ggd ggg ggj ggr gja gje gjg gjr gra grd gre grg grj grr j-d jaa jad jae jag jaj jar jda jde jdg jdr jea jed jee jeg jej jer jga jge jgr jja jjg jjj jjr jra jrg jrr ra- raa rad rae rag raj rar rda rdd rde rdg rdj rdr re- rea red ree reg rer rga rgd rge rgg rgr rja rjg rjr rra rrd rrg rrr