Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:6/8
K:D
['AFA dfa']  
X:1
L:1/8
M:6/8
K:D
 B |"D" AFA dfa |"D" agf"A7" e2 g |"D" fag fed |"A7" cde e2 A |"D" AFA dfa |"D" agf"A7" efg | 
"D" fad"A7" eac |"D" ded d2 :| E |"D" DFA"G" dcB |"D" AGF E2 D |"D" FAD FAD |"Em" EFE"A7" EFG | 
"D" DFA"G" dcB |"G" BAG"A7" FED |"D" fad"A7" eac |"D" ded d2 :|  