Sickness

Intro gtr. 1  (gtr.2 plays some other parts I couldn't figure out)

E|-----------------| |------------------|    |-----------------|
B|-----------------| |------------------|    |-----------------|
G|-----------------| |------------------|    |-----------------|
D|-----------------| x8       |------------------|x1  |-----------------|x4
A|----5br-5br-5br--| |--5b---7b---8b----|    |----5br-5br-5br--|
E|--0-3br-3br-3br--| |-----0----0----0--|    |--0-3br-3br-3br--|
   .                                                   .

E|------------------------------| |-----------------|    |------------------|
B|------------------------------| |-----------------|    |------------------|
G|------------------------------| |-----------------|    |------------------|
D|------------------------------| x1  |-----------------|x4  |------------------|x1
A|--5--5--5--5-5555-5--5--5\\\--| |----5br-5br-5br--|    |--5b---7b---8b----|
E|--3--3--3--3-3333-3--3--3\\\--| |--0-3br-3br-3br--|    |-----0----0----0--|
                                       .

E|-----------------| |------------------------------|
B|-----------------| |------------------------------|
G|-----------------| |------------------------------|
D|-----------------| x4  |------------------------------|x1
A|----5br-5br-5br--| |--5--5--5--5-5555-5--5--5\\\--|
E|--0-3br-3br-3br--| |--3--3--3--3-3333-3--3--3\\\--|
   .


Verse Riff

E|------------------|
B|------------------|
G|------------------|
D|------------------|
|-555588883-444444-|
|-333366661-222222-|

Fill                                     Fill II
   
E|-----------------| |-----|
B|-----------------| |-----|
G|-----------------| |-----|
D|---------------7-| |-----|
A|-5---5---5-6-7-5-| |-5br-|
E|-3---3---3-4-5---| |-3br-|


Riff 2a  gtr.1   (I don't know, what gtr.2 plays along with Riff 2a, 2b)

E|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|-11/12----14/15--11(11)/12---14/15--10-|
A|---------------------------------------|
E|---------------------------------------|

Riff 2b   gtr.1

E|-------------------------------------|
B|-------------------------------------|
G|-------------------------------------|
D|-11/12--14-14/15--11(11)/12/14/15-10-|
A|-------------------------------------|
E|-------------------------------------|

Riff 3  (not the original version, but hopefully you can mess around with this ***)

E|-------------------------------------------------------------|
B|-------------------------------------------------------------|
G|-------------------------------------------------------------|
D|--------------------------13-11------------------------------|
A|----------5br-5br---------11-9-----------5br-5br------5---5--|
E|-0-0-0-0--3br-3br-0-0-0-0-------0-0-0-0--3br-3br---00030003--|
  . . . .          . . . .       . . . .            ... ...


Order:
Intro
Verse Riff  x1  1 gtr.
Verse Riff  x3  2 gtrs.
Fill        x1  2 gtrs.  
Verse Riff  x3  2 gtrs.
Fill        x1  2 gtrs.
Verse Riff  x3  2 gtrs.
Fill II     x1  2 gtrs.
Verse Riff  x3  2 gtrs.
Riff 2a     x1  1 gtr.
Riff 2b     x1  1 gtr.
Fill        x1  2 gtrs.
Verse Riff  x1  1 gtr.
Verse Riff  x3  2 gtrs.
Fill        x1  2 gtrs.
Verse Riff  x3  2 gtrs.
Fill        x1  2 gtrs.
Verse Riff  x3  2 gtrs.
Fill II     x1  2 gtrs.
Riff 3      x4  2 gtrs.
Verse Riff  x1  1 gtr.
Verse Riff  x3  2 gtrs.
Fill        x1  2 gtrs.