Yeah ("yee-aaa")
No
Why?
dog ("gawga")
Mommy or Mom (which usually means "I want _____")
ow (usually "ooooowwww")
Hey!
Hi
Bye
A few times we've heard her say "more" and "daddy", but these are rare and not consistent, so I'm not counting them just yet.
She signs "milk", "more", "help" and "please".