Note: Unlock the extra moves by winning Doggy Doo games:

Sit down: Press Down.
Lie down: Press Down while sitting down.
Sit up: Press Up while lying down.
Stand up: Press Up while sitting down.
Shake body: Press Left, Right, Left.
Beg 1: Press Left, Right, Up.
Beg 2: Press Right, Down, Up.
Beg 3: Press Left, Up, Down.
Beg 4: Press Left, Left, Right.
Beg 5: Press Left, Down, Up.
Fart or poop: Press Left, Right, Down.
Pee left: Press Left, Down, Left.
Pee right: Press Right, Down, Right