Bah - short for "Bah, humbug"; she's quite the little curmudgeon
Pff - also indicates she is unimpressed by your offering
Fa - a long, long way to run
Oh - a noncommittal acknowledgement that you have spoken
Ew - a term of disgustOaf - she really doesn't worry about your feelings, does she?
Maman - Mama
Bas - low, like in "bas relief"
Eau - water
Oeuf - egg
I mean, honestly, have you ever encountered such a bright child in all of your days? She's a walking dictionary!