Do you pronounce "-ana" and "-anna" differently?

I pronounce them the same while others pronounce them the same.

Eg. I have two nieces named Kiana and Kianna, which is pronounced Key-ah-nuh, but seldom is Kiana called Key-aw-nuh while Kianna is not.
Update: Correction: while others pronounce them differently.
Update 2: Emily Elizabeth - That is why I wrote "-ana" and "-anna" not "ana" and "anna".
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