The word "ACWERN" is not a commonly used term, but it can be explained using IPA phonetic transcription. The /æ/ sound at the beginning of the word is a short vowel sound similar to the 'a' in 'cat.' The /kw/ sound is a cluster consonant made up of the 'k' and 'w' sounds. The /ɛr/ sound is a diphthong, which is a combination of the 'e' and 'r' sounds. So, the full pronunciation of "ACWERN" would be /ˈækwɛrn/.