The phonetic transcription of "iyad" is /iː.jæd/. The spelling of this word can be a bit confusing due to the different ways that the vowel sound "ee" can be represented. In this case, it is spelled with the letter "i" followed by the letter "y". The second part of the word, "ad," is fairly straightforward in its spelling. Overall, it is important to use phonetic transcription to accurately convey the pronunciation and spelling of words.