• Hi
• Uh oh
• Mommy (which often means "I want...")
• Daddy (which often isn't directed at me)
• Doggie
• Bird(y)
• Book
• Shoes
• Milk
• Juice
• Please
• Up/Out
• No
• Yeah
• Cheese
• Ow
• Boot
• Moo
• Hippo & Mop (thanks to TMBG)
  
• Door
• Cookie
• Cracker
• Boo boo (which means poo poo)
• Head, Knee, Eye, Ear, Mouth, Nose
  
• Ball
• Bar
• Feet
• Paper
• Puppy
• Baby
• Turtle
• Train

We also wave, blow kisses, gives hugs and kisses, wipe our nose with a tissue and throw it away in the trash, wash our hands (with or without actual soap and water), and put our finger to our mouth and say "Shhh!".

(photo taken by Granny Franny @ J.W. Tumbles)