Bounce, up and down
Up and down, up and down
Going up and down
up and down
Up and Down
up and down
Up and down
Up and down
Up-and-down
Smooth up and down
down and up
Up and down
Sliding up and down
Up↑ Up↑, Down↓ Down↓
Up and down
Up and down
Up and down
Bouncing up and down
Up and down
Up and Down
