Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:6/8
K:G
['D DED', 'f2 d']  
X:1
L:1/8
M:6/8
K:G
 A2 G | F2 D DED | A2 D DED | ABA B2 G | ABA A2 G | F2 D DED | A2 D DED | G2 B A2 F | G3 :: z2 g | 
 f2 d efg | f2 d cAG | ABA B2 G | ABA A2 g | f2 d efg | f2 d cAF | G2 B A2 F | G3 :|  