Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:F
['c F', 'e f']  
X:1
L:1/8
M:2/4
K:F
 f | c F d F | A G G A | c F A F | f g a g | c F d F | A G G A | F D E ^C | D3 || e | f c c f | 
 g d d e | f c c e | f g a g | f c c f | g d d e | f (g/a/) g f | d3!D.C.! ||  