Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:6/8
K:D
['d2 D FGA', 'fed fed']  
X:1
L:1/8
M:6/8
K:D
|: d2 D FGA | Bcd edc | d2 D FGA | Bdc d3 :| fed fed | fed fed | ecd ecd | egf e3 | fed fed | 
 fed fed | ecd ecd | egf e3 ||  