Listen to the song for the rhythm
[Main Riff]
e|-------------------------------11-----11-----13-----13-----13------|
B|----9----9----11----11----11---------------------------------------|
G|-------------------------------------------------------------------|
D|-------------------------------------------------------------------|
A|-------------------------------------------------------------------|
E|-------------------------------------------------------------------|
e|-------------------------------11-----11-----9-----9------9|
B|----9----9----11----11----11-------------------------------|
G|-----------------------------------------------------------|
D|-----------------------------------------------------------|
A|-----------------------------------------------------------|
E|-----------------------------------------------------------|
This is all !
https://primanota.net/petit-biscuit/alaska-chords.htm