The word "XIS" is spelled with three letters - "x," "i," and "s." The "x" is pronounced as /ks/ in IPA phonetic transcription, the "i" as /ɪ/, and the "s" as /s/. When these three letters are put together, the word is pronounced as /ksɪs/. While the word may not have a clear meaning or context on its own, it demonstrates the importance of understanding the phonetic transcription of words to correctly spell and pronounce them.