This vowel team says /ŏ/, as in “haunt”, and typically appears at the beginning or middle of a syllable or word. 

/ŏ/, /ŏ/, /ŏ/, haunt

AU does not appear at the end of words in English; however, there are some French words that are sometimes incorporated in our conversations that end with vowel team E-A-U, as in “beau” or “chateau”.