The spelling of the word "bovenzi" can be explained through the International Phonetic Alphabet (IPA) as [bɔ:vɛnzi]. The "b" at the beginning represents the voiced bilabial plosive, followed by the long "o" sound represented by "ɔ:". The combination of "v" and "e" is pronounced as the fricative sound "vɛ", leading to the "n" sound with the "z" sound at the end. This unique combination of sounds creates the distinct spelling of "bovenzi".