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:D
['F3 EDE F2 D', 'AFE DFA']  
X:1
L:1/8
M:6/8
K:D
 F3 EDE | F2 D DAG | F3 EFE | DFA dAG | F3 EDE | F2 D DFA | B2 d A2 d | F2 B AFE :| DFA d3 | 
 ABF AFE | DFA d2 A | Bcd ecA | AFA d2 e | fdB BAF | B2 d A2 d | F2 B AFE :|  