The correct spelling of "Kraston" is [ˈkræstən] according to the International Phonetic Alphabet (IPA). The word is composed of six letters, including a silent "K" at the beginning. The "r" is pronounced with a strong, rolled "r" sound, and the vowel sound in the middle is pronounced with a short "a" sound. The final "on" is pronounced with the schwa sound, which is commonly heard in English words such as "button" and "siren." The correct spelling and pronunciation of words is important for effective communication.