The spelling of the word "Vipperman" may seem unusual, but it follows English language phonetic rules. The first syllable is pronounced as "vip," with the "i" being pronounced as /ɪ/. The second syllable is pronounced as "per," with the "e" being pronounced as /ɛ/ and the "r" being pronounced as /r/. The final syllable is pronounced as "man," with the "a" being pronounced as /æ/ and the "n" being pronounced as /n/. Therefore, the IPA phonetic transcription for "Vipperman" would be /'vɪpərmæn/.