The spelling of the word "gabun" can be explained using IPA phonetic transcription, which represents the sounds of spoken language. In IPA, "gabun" is spelled /ɡəˈbʌn/. This indicates that the word starts with a voiced velar stop sound /ɡ/ and is followed by a schwa sound /ə/, which is an unstressed vowel sound. The word then ends with a stressed mid-back vowel sound /ʌ/ and a voiced alveolar nasal sound /n/. Therefore, the spelling of "gabun" accurately reflects its pronunciation.