ÀU 

The letter combination àu appears in a few words, typically past tense forms of verbs.
It represents the sound /aʊ/.

E.g.
loud -> làud /laʊd/
aloud -> alàud /əˈlaʊd/
She found it -> Sie fàund it /ʃi faʊnd ɪt/
He wound it up -> Hie ɯàund it up /hi waʊnd ɪt əp/
We ground the beans -> Uie gràund þe biens /wi graʊnd ðə binz/