What kind of Letter Kabam Allowed for us in term of in game name changing?

Aztec

Λ = this A is the coolest one
Æ æ = In case you want like Aegon
𐍂 = this gothic R is cool but i think we cant use it

here some cool references for cool letter. But i already tested some and it doesn't work.
https://en.wikipedia.org/wiki/Gothic_alphabet
https://en.wikipedia.org/wiki/Coptic_alphabet
https://en.wikipedia.org/wiki/Phoenician_alphabet

unknown

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