Devise a harmonic structure to support the present melody.
|: [cA] | [dB][cA][BG][AE] [cA]3 [AE] | [AE][BG][cA][dB] [ec]3 [cA] | 
 [dB][cA][BG][AE] [cA]3 [AE] | [BG][AE][BG][cA] [AE]3 :: [cA] | 
 [dA][cA][dA][fd] [ec]3 [cA] | [dA][cA][dA][fd] [ec]3 [cA] | 
 [dA][cA][dA][fd] [ec]3 [cA] | [dB][cA] [BG]2 [AE]3 :|  
X:1
L:1/8
M:2/2
K:A
|: [cA] |"E" [dB][cA][BG][AE]"A" [cA]3 [AE] |"E" [AE][BG][cA][dB]"A" [ec]3 [cA] | 
"E" [dB][cA][BG][AE]"A" [cA]3 [AE] |"E" [BG][AE][BG][cA]"A" [AE]3 :: [cA] | 
"D" [dA][cA][dA][fd]"A" [ec]3 [cA] |"D" [dA][cA][dA][fd]"A" [ec]3 [cA] | 
"D" [dA][cA][dA][fd]"A" [ec]3 [cA] |"E" [dB][cA] [BG]2"A" [AE]3 :|  