NIVANIO is spelled as /nɪ'væniəʊ/. The first syllable is pronounced as "ni" with a short "i" sound. The second syllable is pronounced as "vani" with the stress on the second syllable and a long "a" sound. The last syllable is pronounced as "o" with a short "o" sound. The spelling may seem unusual, but it is a made-up word and does not follow any language-specific rules. Phonetic transcriptions help convey the correct pronunciation and can be particularly useful for unfamiliar words.