The last name "Lupinacci" is spelled phonetically as /luˈpɪnətʃi/. The first two letters "lu" are pronounced as a short "loo" sound followed by a soft "p" sound. The "i" in the name is pronounced as a short "ih" sound, and the "n" is pronounced as a soft "n" sound. The last two letters "acci" are pronounced as "ah-chi" with a hard "ch" sound. Overall, the spelling of "Lupinacci" accurately reflects its correct pronunciation in accordance with the International Phonetic Alphabet.