Woof (oouf, oouf)
SSSStttth - the noise a snake makes
Doggy (Daaatee, but followed by Woof)
Cookie (Ccccki - like a throat clearing)
This is on top of the secret language that she shares with Mr. P. This sounds like "mwi mwi mwi, dubba, dubba, dubba!" at high volumes followed by hysterical laughter from both of them.