Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:F
['c caa egf', 'c2 B', 'A d3 f3']  
X:1
L:1/8
M:6/8
K:F
 c | caa egf | c3- c2 d | c2 A c2 A | c2 B G2 c | caa egf | d3 dcB | Acc BGE | (G3 F2) || A | 
 BGE c2 B | Acf a2 f | bge c2 B | Adc c2 A | BGE c2 B | Acf a2 f | egb d'be | (g3 f2) || A | 
 d3 f3 | e3 ge^c | dfa bge | d3 c2 A | d3 f3 | B3 e2 g | f2 d e2 ^c | d3 d2 |]  