-er a-a aaa aad aae aag aaj aak aar ad- ada add ade adg adj adk adr aea aed aee aeg aej aek aer ag- aga agd age agg agj agk agr aja ajd aje ajj ajk ajr aka akd ake akg akj akk akr ar- ara ard are arg arj ark arr daa dad dae dag daj dak dar dda ddd dde ddg ddk ddr de- dea ded dee deg dej dek der dga dgd dge dgg dgk dgr dj- dja djd dje djg djk dka dke dkg dkk dkr dra drd dre drg drj drk drr eaa ead eae eag eaj eak ear ed- eda edd ede edg edj edk edr eea eed eee eeg eek eer ega egd ege egg egr eja ejd eka ekd eke ekg ekr era erd ere erg erk err g-d gaa gad gae gag gaj gak gar gda gdd gde gdk gdr ge- gea ged gee geg gek ger gga ggd ggg ggj ggr gja gje gjg gjr gka gkd gra grd gre grg grj grk grr j-d jaa jad jae jag jaj jak jar jda jde jdg jdr jea jed jee jeg jej jek jer jga jge jgr jja jjg jjj jjk jjr jka jkk jkr jra jrg jrk jrr ka- kaa kad kae kag kaj kak kar kda kde kdg kdk kdr ke- kea ked kee keg kek ker kga kgd kje kjr kke kkk kkr kra krd krg krk krr ra- raa rad rae rag raj rak rar rda rdd rde rdg rdj rdr re- rea red ree reg rek rer rga rgd rge rgg rgk rgr rja rjg rjk rjr rke rkg rkk rra rrd rrg rrk rrr