Craft a fitting chord progression to merge seamlessly with the given musical theme.
A2 | dced f4 | fegf a4 | ^faba fdfa | agec d2A2 | dced f4 | fegf a4 | 
 ^faba fdfa | agec d2 :: A2 | AFAc BGBd | cdec defd | AFAc BGBd | 
 cdec d2d2 | AFAc BGBd | cdec defd | AFAc BGBd | cdec d2 :|  
X:1
L:1/16
M:2/4
K:D
 A2 |"D" dced f4 |"D" fegf a4 |"D" ^faba fdfa |"A" agec"D" d2A2 |"D" dced f4 |"D" fegf a4 | 
"D" ^faba fdfa |"A" agec"D" d2 :: A2 |"D" AFAc"G" BGBd |"A" cdec"D" defd |"D" AFAc"G" BGBd | 
"A" cdec"D" d2d2 |"D" AFAc"G" BGBd |"A" cdec"D" defd |"D" AFAc"G" BGBd |"A" cdec"D" d2 :|  