Here Is an easy riff that I created in about 5 mins.



E|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|-3------------------5------------------|
A|-3-3-3-5-5-6-5-5-3--5-5-5-7-7-8-7-7-5--|
E|-1----------------3-3----------------5-|

E|---------------------------------------------------------|
B|---------------------------------------------------------|
G|---------------------------------------------------------|
D|-7-------------------9------------------------9-7/5-3~~3-|
A|-7-7-7-9-9-10-9-9-7--9-9-9-11-11-12-11-11-9---9-7/5-3~~3-|
E|-5-----------------7-7----------------------9-7-5/3-1~~1-|