Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:G
['G2 G']  
X:1
L:1/8
M:6/8
K:G
 D | G2 G G2 G | G A B c2 c | B3/2 B/ B B3/2 A/ G | (AE) F G2 D | G3/2 G/ G G2 G | G3/2 A/ B c2 c | 
 B3/2 B/ B B3/2 A/ G | (AE) F G2 | d | d2 d d2 d | e2 d (d2 B) | B B B B2 B | B3/2 c/ d e2 d | 
 d d d (d c) B | c E F G2 z |]  