Riff 1:e|--------------------------------|B|--------------------------------|G|--------------------------------|D|-----2--------2--------2--------|A|--------------------------------|E|0-3p0-3p0--3p0-3p0--3p0-3p0-----|
then:
Riff 2:e|--------------------------------|B|--------------------------------|G|--------------------------------|D|5555-44-33----------------------|A|5555-44-33----------------------|E|3333-22-11----------------------|
then back to riff 1
when you pull off, lightly pluck the E string with your left hand