The word "gartman" is not a standardized word in English, and therefore does not have a set spelling. However, using IPA phonetic transcription, it can be spelled as /ˈɡɑrtmən/. The first syllable is pronounced with an open back unrounded vowel sound, the second syllable starts with a voiced alveolar plosive, and the last syllable has a schwa sound. While this transcription does not provide a specific spelling, it allows for accurate pronunciation of the word.