The spelling of the word "haddest a prospect of" is a bit outdated and may seem confusing at first glance. However, it follows the standard English spelling conventions of the time. The IPA phonetic transcription for this phrase is /ˈhædəst ə ˈprɑspɛkt əv/, where the "a" sound in "haddest" is pronounced like "hadd-est" and the "o" sound in "prospect" is pronounced like "prah-spekt." Overall, it's important to understand the historical context of the language to fully grasp the spelling and pronunciation of older phrases like this one.