The word "t id ax" is spelled as /tɪdæks/. The initial "t" is pronounced with a short "i" sound, followed by a "d" sound and an "ae" sound, which is a combination of "a" and "e" sounds. Finally, the word ends with an "ks" sound. While "t id ax" may not be a common word, understanding the phonetic transcription helps to ensure that it is spelled correctly and accurately pronounced.