Design compelling melodic lines that align with the provided chord progressions.
'D', 'Am', 'Am', 'G', 'Dm', 'Dm'  
X:1
L:1/4
Q:1/4=160
M:2/4
K:C
"D" d/A/ z | d/A/ z | d d | d d |:"Am" A/ A A/ | A/A/ A |"Am" A/c/"G"B/G/ |"Dm" A z :: 
"Dm" A/ d d/ | d/d/ d | A/ d d/ | e/f/ d :|  