The spelling of the word "Bilipurpin" can be decoded using the International Phonetic Alphabet (IPA) transcription system. The IPA transcription for this word is "bɪlɪpɜːpɪn". The first syllable "bil" is pronounced with the short i sound as in "bin". The second syllable "i" is pronounced with a long e sound, as in "bee". The third syllable "pur" is pronounced with the schwa sound, as in "about". The final syllable "pin" is pronounced with a long i sound, as in "pine". Together, these sounds blend to form the word "Bilipurpin".