Happy Frappy Chords

The whole song is just two chord progressions:


Verses: A D F#m E

Chorus: D A E F#m
(every other time, you don't play the F#m for the chorus)

Great song. Can't figure out the riffs, but I hope someone does.

It says I need 300 minimum characters to submit this tab so I am just going to keep 
about how amazing Guster is.