The word "sulmefrin" is spelled using the International Phonetic Alphabet (IPA) as sʌlməfrɪn. This phonetic transcription helps to clarify the pronunciation of the word by indicating the sounds of each letter. In this word, the "s" is pronounced with a short "uh" sound, followed by an "ul" sound. The "m" and "f" are pronounced as expected, with a short "e" sound between them. The word ends with the syllable "-frin" pronounced as "frin" with a short "ih" sound.