The spelling of the word "study atsilly" may seem unusual, but it can be explained using the International Phonetic Alphabet (IPA). The first syllable, "stu," is pronounced with the IPA symbol /stʌ/. The second syllable, "dy," is pronounced with the IPA symbol /di/. The final syllable, "atsilly," is pronounced with the IPA symbols /ætˈsɪli/. The word may be difficult to spell without knowledge of the IPA, but it is a good example of how the IPA can help to understand pronunciations and spellings of words.