The spelling of the word "Barraba" follows the English phonetic rules. The IPA phonetic transcription of this word is /bərɑːbə/. The first syllable of the word is pronounced as "buh" with a schwa sound, followed by the "r" sound. The second syllable is pronounced as "ah" with a long "a" sound, followed by the "buh" sound, and the final syllable has the schwa sound. It is important to follow the phonetic rules while spelling words to ensure clear communication and proper pronunciation.