Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/2
K:F
['ec-ce dB Bc/d/', 'cf-fa gf/e/ fc cfaf']  
X:1
L:1/8
M:2/2
K:F
 f | ec-ce dB Bc/d/ | AFcF EGGf | ec-ce dB Bc/d/ | AFBG F2 F :| e | cf-fa gf/e/ fc | cfaf dgbg | 
 c f2 a gf/e/ fd | cBTAG F2 Fd | cf-fa gf/e/ fc | cfaf egab | afge fdcB | AFBG F2 F |]  