Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
Q:1/2=80
M:2/2
K:F
['FGAB cAGF gfed d2 c2 AcAF BdBG', 'egec fafd'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:F
 FGAB cAGF | gfed d2 c2 | AcAF BdBG | AcAF FEDC | FGAB cAGF | gfed d2 c2 | AcAF BdBG | F2 F2 F4 :: 
 cdef egec | fafd egec | cdef gedc | AcAF EGEC | AcAF ddBG | egec fafd | cfed cBAG | F2 F2 F4 :|  