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:F
['c AGF ABc ded d2 d f>ef', 'gec gec', 'gec gec c2 A B>cd ded BGA']  
X:1
L:1/8
M:6/8
K:F
|:"^A" c | AGF ABc | ded d2 d | f>ef dgf | ede f2 :|"^B" f | gec gec | gec c2 A | B>cd ded | 
 BGA B3 | ABc F3 | Bcd G3 | A>Bc dgf | ede f2 ||"^C" f | gec gec | gec c2 A | B>cd ded | BGA B3 | 
 (2:3:2AB c3 | F3 F3 | (2:3:2Bc d3 | G3 G3 | A>Bc dgf | ede f2 ||  