Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:6/8
K:D
['fdd dcd Bgg Aff gfe fed', 'fdB BAB fdB Bcd']  
X:1
L:1/8
M:6/8
K:D
|: fdd dcd | Bgg Aff | gfe fed | cBA a2 g | fdd dcd | Bgg Aff | gfe fed | cBc d2 e :: fdB BAB | 
 fdB Bcd | cAF FEF | f2 f edc | fdB BAB | fdB Bcd | cBA f2 f | edc B2 e :|  