Up and down, up and down
Up Down, Up Down
Sliding up and down
Up, Down, Up, Down, Up, Down, Up...
Bouncing up and down
Up down up down
Up and down
Up, down, up, down...
up and down and up and down
Up and Down
Up and Down
up and down
Up and Down
up and down
Up and down
up and down
Up. Down. And repeat.
Up and down
up and down