The spelling of the word "VIANVA" may seem confusing at first glance. However, the IPA phonetic transcription explains it clearly. First of all, the initial "V" is pronounced as the voiced labiodental fricative /v/. The second syllable starts with the diphthong /ia/ which is followed by the velar nasal /ŋ/. The final "VA" is pronounced as a long /a:/ vowel sound. Therefore, the correct spelling of "VIANVA" is a representation of the sounds that make up this word.