Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/16
M:2/4
K:D
['d2de c2ce d2df e2eg', 'A2a2 a2fd A2g2 g4', 'f4 f2g2']  
X:1
L:1/16
M:2/4
K:D
 d2de c2ce | d2df e2eg | f2fa g2gb | a2ab agfe | d2de c2ce | d2df e2eg | fdfa g2f2 | f4 e4 || 
 A2a2 a2fd | A2g2 g4 | f2df e2ce | defg abc'd' | A2a2 a2fd | A2g2 g4 | fdgf fedc | e4 d4 || 
 f4 f2g2 | a2b2c'2d'2 | e4 e2f2 | g2a2b2g2 | f4 f2g2 | a2b2c'2a2 | d'2c'2 bag2 | f4 e4 ||  