Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
Q:1/2=90
M:2/2
K:F
['', 'AFcF dFcF', 'f2 a/g/f/e/']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:F
 cB |: AFcF dFcF | AFcF B2 (3dcB | AFcF dFcF | BGGA B2"^as writ" (d/c/)B :: f2 a/g/f/e/ fcAc | 
 f2 a/g/f/e/ fage | f2 a/g/f/e/ fcAc | BGGA B2 (d/c/)B :|  