Surprise (intro)

Hey there is basically 1 main tune to this song, it goes like this: 
 
e----12----------------| 
B------10-12-13-12-10--| 
G----------------------| 
D----------------------| 
A----------------------| 
E----------------------| 
 
There are chords in the verse, but iv only worked out the first 1: 
 
e---12~ 
B---13~ 
G----- 
D----- 
A----- 
E-----