• avy,
• asy,
• mve,
• ahv,
• avey,
• asz,
• ava,
• acb,
• ael,
• avo,
• agy,
• avye,
• axc,
• ave,
• avt,
• ayl,
• aze,
• aev,
• arl,
• agw

The adjective form of the word "avi" would be "avian".

The plural form of the word "Avi" is "Avis"

The singular form of the word "Avi" is still "Avi". The word "Avi" can be considered a proper noun, which does not typically have a singular or plural form. It is generally used to refer to a person's name or to identify a specific individual.