Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:2/4
K:G
['g2 bg e2 ge', 'B2 AG']  
X:1
L:1/8
M:2/4
K:G
|: g2 bg | e2 ge | d2 fd | B2 dB | g2 bg | e2 ge | BcdB | G4 :: B2 AG | FGAc | B2 AG | e A2 c | 
 B2 AG | FGAc | BedF | G3 c | BDdD | cDBD | ADBD | cDAD | BDdD | cCBD | AcBA | G4 :|  