The spelling of "did t" is incorrect in English as it does not form a coherent word. However, the sound represented by "did t" can be transcribed using the International Phonetic Alphabet as /dɪd t/, meaning the syllables /dɪd/ and /t/ are pronounced separately with a brief pause in between. It could be a mispronunciation of "didn't", which is the abbreviated form of "did not", with the correct IPA transcription being /ˈdɪdnt/. It is important to use proper spelling and pronunciation to ensure clear communication.