Riff A:
e|--------------------------|
B|--------------------------|
G|--------------------------|
D|22----------22------------|
A|00h3p0------00h3p0--------|
E|-------2h3~--------2h3p3p0|

Riff B (I think this one is maybe more for a solo):
e|5p3p0---------------|
B|-----5p3p0-3/5-7~-5~|
G|--------------------|
D|--------------------|
A|--------------------|
E|--------------------|

Riff C:
e|--------------------------------------|
B|--------------------------------------|
G|222-555-333-0000000222-555-333-7777777|
D|000-000-000-0000000000-000-000-0000000|
A|--------------------------------------|
E|--------------------------------------|

Riff D:
e|----------------|
B|----------------|
G|-2p0------------|
D|3-----2p0-------|
A|-----3-----2p002|
E|----------3-----|

That is it for now, I may actually make some more. Please enjoy :D