Real simple song, with really only 3 different parts. Just watch out for the minor changes.

Verse
G |–––––––––––––––––––––––
D |–––––––––––––––––––––––  (x10)
A |––––––2–0––––3––3––2––2
E |–0––0–––––3––––––––––––


Riff 1a
G |–––––––––––––––0–0–0––0–0–0–
D |–––––––––––2–3––––––––––––––
A |–3––3––3–3––––––––––––––––––
E |––––––––––––––––––––––––––––


Riff 1b
G |–––––––––––––––0–0–0–0–0–0–0–
D |–––––––––––2–3–––––––––––––––
A |–3––3––3–3–––––––––––––––––––
E |–––––––––––––––––––––––––––––


Chorus
G |––––––––––––––
D |––––0–2–––––––   (x4)
A |–3–––––––––0–2
E |––––––––3–––––


Riff 2                                                   a
play a on 3rd repeat
G |–––––––––––––––––0–0–0––0–0–0–0 |–––
D |–––––––––––––2–3––––––––––––––– |–3–
A |–3–3–3–3–3–3––––––––––––––––––– |–––
E |––––––––––––––––––––––––––––––– |–––


Verse (x10)


Riff 3a
G |–––––––––––––––0–0–0––0–0–0–0
D |–––––––––––2–3–––––––––––––––
A |–3––3––3–3–––––––––––––––––––
E |–––––––––––––––––––––––––––––


Riff 1a


Chorus (x4)


Riff 4
G |–––––––––––––––––0–0–0–0–0–0–0–0
D |–––––––––––––2–3––––––––––––––––   (x3)
A |–3–3–3–3–3–3––––––––––––––––––––
E |––––––––––––––––––––––––––––––––


Riff 5   (x4)                                             a
play a on 4th repeat
G |–––––––––––––––––0–0–––––––––––– |––––––––
D |–––––0–0–2–2–3–3–––––3–3–2–2–0–0 |–3––––2–
A |–3–3–––––––––––––––––––––––––––– |––––––––
E |–––––––––––––––––––––––––––––––– |––––––––