The spelling of the word "vipio" can be explained through its IPA phonetic transcription, which is /vɪpɪoʊ/. The word consists of two syllables - "vi" and "pio", with stress on the first syllable. The letter "v" is pronounced as /v/ and "i" is pronounced as /ɪ/. The letter "p" is pronounced as /p/, followed by the letter "i" pronounced as /ɪ/ and the letter "o" pronounced as /oʊ/. Overall, the pronunciation of "vipio" is v-i-p-i-o, with the stress on the "vi" syllable.