Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:4/4
K:C
['AFD BAF', 'AFA def']  
X:1
L:1/8
M:4/4
K:C
 BEA Dec |[M:6/8][K:D]SOSOO .!fermata!PMTCO(Md/B/) | AFD BAF | Ade fdB | AFD BAF | AFE E2 B | 
 AFD BAF | Ade fdB | AdB AFE | FDD D2 :: B | AFA def | geg fdB | AFA d2 e | faf gdB | AFA def | 
 gfe fdB | AdB AFE | FDD D2 :|  