ok this is my first tab so if its wrong, go easy on me.
intro
|-------------------------------------------------|
|-------------------------------------------------|
|--22222h3-3--2h3-3--2h3-3--2h3-3--2h3-3--2h3-3---|
|-------------------------------------------------|
|---------------|
|---------------| 2X
|--2h3-3--4444--|
|---------------|
|-------------------------------------------------|
|-------------------------------------------------| 2x
|--2-3--3-2--3--2-3--2-4444-----------------------|
|-------------------------------------------------|
Verses
[ Tab from: https://www.guitartabs.cc/tabs/s/system_of_a_down/bubbles_btab_ver_3.html ]
|-------------------------------------------------|
|-------------------------------------------------|
|--2-3--3-2--3--2-3--2-4444-----------------------|
|-------------------------------------------------|
Chorus
|-------------------------------------------------|
|-------------------------------------------------| 2x
|--2h3-3--2h3-3--2h3-3--4444----------------------|
|-------------------------------------------------|
|-------------------------------------------------|
|-------------------------------------------------| 2x
|--2-3--3-2--3--2-3--2-4444-----------------------|
|-------------------------------------------------|
Bridge
|-------------------------------------------------|
|-------------------------------------------------|
|--0-4b--0--3--0--0-4b--0--3--0--0-4b--0--3--0----|
|-------------------------------------------------|
on most of these you'll have to listen to the song,
some have spaces between the notes and some don't. just listen you'll get it.