The spelling of the word "Bussby" can be explained using the International Phonetic Alphabet (IPA). It is spelled /ˈbʌzbi/, with the stress on the first syllable. The "b" is pronounced as a voiced bilabial stop, the "u" as a short central vowel, the "z" as a voiced alveolar fricative, and the "y" as a diphthong consisting of a short central vowel and a front vowel. Overall, the spelling of "Bussby" accurately represents its pronunciation using IPA symbols.