Native speaker
In Emirati Arabic, “Yes” is أيوه (aywa).
أيوه
Yes.
It's in the phrasebook under Yes, no & everyday basics, with 90 more like it.
'afwan, aasif
laa
zayn
mumkin
tigdaroo itsaa'doona?
sah
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences