Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:2/4
K:D
['e e']  
X:1
L:1/8
M:2/4
K:D
 e e e2 | e f2 e | d2 B F | E4 | e e e e | e f/ f/ f e | d2 e2 | e d B2 |]  