Construct musical melodies following the designated letter arrangement and the given motif.
X:1
L:1/16
M:none
K:D
['a2af g4', 'f2ef g4 f2ed']  
X:1
L:1/16
M:none
K:D
 a2af g4 | a2af g4 | f2ed e2dc | d4 D4 :: f2ef g4 | f2ed e2A2 | f2ef g4 | f2ed e2ag | f2ed e2dc | 
 d4 D4 :|  