Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
['ef gege c2 ec dBdB G2 FE', 'c2 c2']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
 ef | gege c2 ec | dBdB G2 FE | FGAB cdef | dBGB d2 ef | gege c2 ec | dBdB G2 FE | Ffaf ecdB | 
 c2 c2 c2 :: cd | ecdB A2 fg | a2 d2 d2 Bc | dBcA G2 ef | g2 c2 c2 G2 | ABcA GEGE | ABcA GEGE | 
 Afaf ecdB | c2 c2 c2 :|  