Riff 1
E|----------------------------------------------------------------||
B|----------------------------------------------------------------||
G|----(b9)----(b9)----(b9)----(b9)----(b9)-----7--7-------------------------||
D|----(b9)----(b9)----(b9)----(b9)----(b9)-----7--7-------------------------||
A|----7-----7-----7-----7-----7------5--5--10p90h7----------------||
E|-0-0---0-0---0-0---0-0---0-0---0-0------------------------------||

Riff 2
                    
E|----------------------------------||
B|----------------------------------||
G|-(b9)----5---------(b9)---7-7---------||
D|-(b9)----5---------(b9)---5-5--10p90h7||
A|-7-----7---------7----5-5---------||
E|-------------------0-0------------||

Riff 3 

E|--------------------------------------||
B|--------------------------------------||
G|-5----7-------(b9)-(b9)-11-12-11-9/11-----||
D|-5----7-------(b9)-(b9)-11-12-11-9/11-----||
A|-3----5-------7--7--(b9)-10-(b9)-7(b9)-----||
E|--------------------------------------||