1 Tex. Admin. Code § 79.43
Where a name or a unit of names consists of initials only or letters of the alphabet, the combination of initials will be considered as one word for the purpose of applying name availability rules.
(1) Example: The following are different "words" and are distinguishable:
Source Note:The provisions of this §79.43 adopted to be effective June 1, 2018, 43 TexReg 3341.