The spelling of the phrase "study at flexible" is straightforward, with each word having its own distinct pronunciation. The word "study" is pronounced /ˈstʌdi/ with a short vowel sound in the first syllable and stress on the second syllable. The word "at" is pronounced /ət/ with a schwa sound in the first syllable and stress on the second syllable. Lastly, the word "flexible" is pronounced /ˈflɛksəbəl/ with stress on the first syllable and a schwa sound in the second syllable. Overall, the phonetic transcription of this phrase is /ˈstʌdi ət ˈflɛksəbəl/.