Broken Promise Ring

I couldnt get the entire song because its hard to put the intro into power chords: 
 
Intro: 
e---------------------------------------------------------------------------- 
 
g---------------------------------------------------------------------------- 
 
d---------------------------------------------------------------------------- 
 
g---------------------------------------------------------------------------- 
 
d---------------------------------------------------------------------------- 
 
a--7-------7--5--4--0--7--------7--5--4--0--4--5--7--9----------------------- 
                         x2 
E--5----5--------------5-----5-----------------------------------------------