The acronym "YHS" is commonly spelled using the English alphabet letters "Y," "H," and "S." The phonetic transcription for this word in the International Phonetic Alphabet (IPA) is /waɪeɪtʃɛs/. The first two letters, "Y" and "H," are pronounced as their standard English sounds, while the "S" sound is represented by the IPA symbol "ʃ," which indicates a voiceless postalveolar fricative. "YHS" is commonly used as an abbreviation for the phrase "Your Humble Servant" in written communication.