Ī is an oath-accompanied answer; ay is a vocative particle; ayy is an interrogative noun. Similar forms do not imply similar grammar.
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Ī, Ay and Ayy Are Different
Reply Particles: Naʿam, Balā and All Six Forms
Ī is an oath-accompanied answer; ay is a vocative particle; ayy is an interrogative noun. Similar forms do not imply similar grammar.