The correct spelling for the phrase "wast participant" should be "wasn't participant." The word "wasn't" is an abbreviation of "was not," which is a contraction commonly used in spoken and written language. The IPA phonetic transcription for "wasn't" is /ˈwʌz(ə)nt/ or /ˈwɒz(ə)nt/, depending on the dialect. It's important to pay attention to the correct spelling of commonly used contractions to ensure clear communication in all forms of writing.