Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/4=140
M:6/8
K:D
['A AFA', 'F2 A', 'F2 A']  
X:1
L:1/8
Q:1/4=140
M:6/8
K:D
|: A | AFA f2 e | dcB A2 A | AFA dAf | gfe edB | AFA f2 e | dcB A2 A | AFA dAd | fec d2 :| e | 
 efe dcB | AAA g2 A | fAA dAA | fAA e3 | efe dcB | AAA g2 A | fAA dAA | edc BAG | FDF F2 A | 
 FDF F2 A | G2 B F2 A | E3 E2 A | FDF F2 A | FDF F2 A | B2 d c2 e | d3 d2 |] e | efe dcB | 
 AAA g2 A | fAA dAA | fAA e3 | efe dcB | AAA g2 A | fAA dAA | edc BAG | FDF F2 A | FDF F2 A | 
 G2 B F2 A | E3 E2 A | FDF F2 A | FDF F2 A | B2 d c2 e | d3 d2 |]  