domain Tau.ai & Khi.ai letters of the Greek alphabet

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Tau is the spelling of the 19th letter Τ of the Greek alphabet.
Most letters of the Greek alphabet are used for A.I. projetcs.

Auction URL: https://sedo.com/search/details/?domain=tau.ai

Khi is the spelling of the 22nd letter Χ of the Greek alphabet.
Most letters of the Greek alphabet are used for A.I. projetcs.

Auction URL: https://sedo.com/search/details/?domain=xhi.ai