Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:6/8
K:F#min
['CFF F2 E FAB cfe', 'F2 e e>fe ecA Bce f2 f']  
X:1
L:1/8
M:6/8
K:F#min
 F/E/ | CFF F2 E | FAB cfe | c<cB A/B/cB | AEE E2 E | CFF F2 E | FAB cfe | c<cf ecB | AFF F2 || e | 
 e>fe ecA | Bce f2 f | e>cB AcB | AEE E2 E | FAE FAE | FAB cfe | c<cf ecB | AFF F2 |]  