Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:6/8
K:D
['DED D2 F EFE E2 d cBc', 'ded dcB']  
X:1
L:1/8
M:6/8
K:D
 d | DED D2 F | EFE E2 d | cBc dAF | E/F/GE BGE | DED D2 F | EFE E2 d | cBc dAF | DED D2 :: A | 
 ded dcB | AGF B2 A | Add dcB | Bfe e2 c | ded dcB | BGF B2 d | cBc dAF | DED D2 :|  