Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:4/4
K:F#min
['ef ga', 'ef ga']  
X:1
L:1/8
M:4/4
K:F#min
 cc | fe/f/ gf/g/ aa g>f | ef ga gg cc | fe/f/ gf/g/ aa g>f |1 ef ga f2 cc :|2 ef ga f2 |: c>d | 
 cB AB c2 fg/f/ | ef ga gg c>d | cB AB c2 fg/f/ |1 ef ga f2 :|2 ef ga f2 ||  