-er a-a aaa aad aae aaj aak aar ad- ada add ade adj adk adr aea aed aee aej aek aer aja ajd aje ajj ajk ajr aka akd ake akj akk akr ar- ara ard are arj ark arr daa dad dae daj dak dar dda ddd dde ddk ddr de- dea ded dee dej dek der dj- dja djd dje djk dka dke dkk dkr dra drd dre drj drk drr eaa ead eae eaj eak ear ed- eda edd ede edj edk edr eea eed eee eek eer eja ejd eka ekd eke ekr era erd ere erk err j-d jaa jad jae jaj jak jar jda jde jdr jea jed jee jej jek jer jja jjj jjk jjr jka jkk jkr jra jrk jrr ka- kaa kad kae kaj kak kar kda kde kdk kdr ke- kea ked kee kek ker kje kjr kke kkk kkr kra krd krk krr ra- raa rad rae raj rak rar rda rdd rde rdj rdr re- rea red ree rek rer rja rjk rjr rke rkk rra rrd rrk rrr