The spelling of the word "Halles point" is determined by its pronunciation. The word Halles is pronounced as /hælz/, with the "a" being pronounced as the short "a" sound and the "ll" being pronounced as a double "l". The word point is pronounced as /pɔɪnt/, with the "oi" making the "oy" sound and the "nt" being pronounced as a single "t". Together, the word is pronounced as /hælz pɔɪnt/. It is important to understand the phonetic transcription to correctly spell and pronounce words.