Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:1/4=100
M:2/4
K:C
['G ccce d>cde cceg a3 b geec', 'geec d>cde']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:C
 G | ccce | d>cde | cceg | a3 b | geec | d>cde | cAAG | c3 :: a | geec | d>cde | geeg | a3{b} c' | 
 geec | d>cde | cAAG | c3 :|  