The word "Auban" is spelled with three letters: A, U, and B, and it is pronounced as ɑːbən. The vowel "a" represents the long "ah" sound, while the letters "u" and "b" create a diphthong that sounds like "aw." The final "n" is pronounced as a nasal sound. To correctly pronounce "Auban," start with the long "ah" sound and then glide into the "aw" sound, finishing with the nasal "n" sound. The correct spelling and pronunciation of "Auban" is important for clear communication.