here is the tabs for the whole song, that lewis plays behind the rapping. just repeat, 
listen to the song to get the pattern. peace! x

e|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|---7--------------------------5-----------------------------------|
D|---7-----10------8------5-----5--(repeat)-------------------------|
A|---5-----10------8------5-----3-----------------------------------|
E|----------8------6------3-----------------------------------------|