The spelling of the word "ACTAAP" may seem confusing, but it can be deciphered using IPA phonetic transcription. The letters "AC" are pronounced as /æ/ and "T" as /t/. The next two letters, "AA," represent a long vowel sound pronounced as /eɪ/. Finally, the letters "AP" are pronounced as two separate sounds, /æ/ and /p/. Therefore, the correct pronunciation of "ACTAAP" is /ækteɪæp/. With the help of IPA phonetic transcription, we can break down and understand even the most complex spellings.