The spelling of the word "hazas" is determined by its phonetics. The correct transcription is /ˈhazas/. The first syllable is pronounced with a short "a" sound, while the second syllable is stressed and pronounced with a long "a" sound. The "z" represents a voiced consonant that is produced by vibrating the vocal cords, and the final "s" is an unvoiced consonant that is pronounced by forcing air through the mouth without any vibration of the vocal cords.