Design a composition that incorporates the specified motif and follows the alphabet-based organization.
X:1
L:1/4
M:3/4
K:F
['A B']  
X:1
L:1/4
M:3/4
K:F
 A/c/ | f c A | F2 A | B G c | F z F/G/ | A A B | c2 c | d d/c/ =B | c z c/c/ | A F G | A2 G/G/ | 
 A A c | =B2 F/G/ | A A B | c2 A/A/ | B G E | F2 |]  