* "eh-see-oh" This pronunciation is common in English, treating each letter as its individual sound.
* "eh-zee-oh" This pronunciation emphasizes the "s" as a "z" sound.
* "eh-see-o" This pronunciation shortens the final "o" sound, making it closer to a "uh" sound.
Without more context, it's impossible to definitively say how "esio" should be pronounced.
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