6653 English words start with the letter T. 1768 English words start with the letter I. 4155 English words start with the letter L. That's 48,873,204,120 possible combinations. If I go to an acronym search engine, I still get 25 search results. I can guess what was intended but it'll only be a guess. Idiots use undefined acronyms and think they're communicating. Read a scientific research paper and notice how they define their acronyms the first time before using the acronym in the rest of the paper as a shorthand convenience.