The word "IRVIS" may appear to have a non-standard spelling at first glance, but it can actually be broken down phonetically using the International Phonetic Alphabet (IPA). The first sound is the 'ɜ' sound, which is a mid-central vowel sound. It is followed by the 'r' sound, represented by the IPA symbol 'ɹ'. The third sound is the 'v' sound, represented by 'v'. Finally, the word ends with the 'ɪs' sound, which is a short 'i' sound followed by an 's' sound. Putting these sounds together, "IRVIS" is pronounced as "ɜrvɪs".