The spelling of the name "Billy May" can be explained using the International Phonetic Alphabet (IPA). The first syllable is pronounced with a short "i" sound, like in the word "fill" (IPA: /bɪl/). The second syllable has a long "e" sound, like in the word "day" (IPA: /meɪ/). Together, the name is pronounced as "bil-ee may" (IPA: /ˈbɪl.i meɪ/). It is important to use correct spelling when writing names, especially when communicating with others professionally or formally.