Craft a composition using the given motif while maintaining the musical form outlined by alphabet characters.
X:1
L:1/8
M:2/2
K:F
['Ac f2 fa g>fga', 'FGAB cAfc dBcF']  
X:1
L:1/8
M:2/2
K:F
|: F2 Ac f2 fa | g>fga gG-GA | F/F/F Ac f2 fa | g>fga f/f/f f2 :| FGAB cAfc | dBcF EG-GA | 
 F/F/F Ac dBGF | ECGA F/F/F F2 | FGAB cAfc | dBcF EFGA | FfcA dBgf | ecga f/f/f f2 |]  