The word "poupaud" is spelled with a silent "d" at the end. The correct IPA phonetic transcription for this word is /pu.po/. The first syllable "pu" is pronounced with a short "u" sound, similar to the word "put". The second syllable "po" is pronounced with a long "o" sound, similar to the word "poke". The silent "d" at the end of the word indicates that the pronunciation ends with a soft, almost breathy "u" sound.