What is the crossword answer for the clue: Sound of satisfaction

AAH - a 3 letter word may be the answer you are looking for!

AHH - a 3 letter word may be the answer you are looking for!

OOH - a 3 letter word may be the answer you are looking for!

PURR - a 4 letter word may be the answer you are looking for!

AAAH - a 4 letter word may be the answer you are looking for!

Sound of satisfaction

3 Character Answers:

AAH

AHH

OOH

4 Character Answers:

AAAH

PURR