Mary Had A Little Drug Problem

E|---------| 
B|---------| 
G|-9/10--9-| 
D|-9/10--9-| 
A|-7/8---7-| 
E|---------| 

I don't know that main riff! Fuck! It's something like this:
E|------------------------------------| 
B|------------------------------------| 
G|------------------------------------| 
D|------------------------------------| 
A|------2-2-0-0-----------------------| 
E|-0--0---------0-0-3-3-0-0--2-3-2-0--| 

other part:
E|-------------|                                 
B|-------------|                                 
G|-9--x7--5/4--|                                 
D|-9--x7--5/4--|                                 
A|-7--x5--3/2--|                                 
E|-------------| that's a few times, then break: 

E|-----------------------------------| 
B|-----------------------------------| 
G|-----------------------------------| 
D|-----------------------------------| 
A|-7~--8~--13~--7~--7~--8~--13~--7~--| 
E|-----------------------------------|