Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:2/2
K:F
['FGAB c2 c2 d2 e2 f4 e2', 'd2 cB A2 F2']  
X:1
L:1/8
M:2/2
K:F
 FGAB c2 c2 | d2 e2 f4 | e2 efge de | d4 c4 :: B2 Bc d2 c2 | d2 cB A2 F2 | B2 c2 d2 B2 | 
 d2 cB A2 F2 | fg abag f2 | f3 e f4 :|  