Trissy works well.
I am not sure if I like it, but it seems totally natural and the kind of nickname a sibling might use.
Plus,
Trixie is used for
Beatrix, so it's a logical parallel.
I do like
Bea, so I definitely like it better than Trissy.
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Momma to Clarisse Bituin Gioia and Nadine Marikit Irene. Mahal na mahal from our little family to yours!
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