The spelling of "haddest weight of" may seem confusing at first glance. However, when viewed through the lens of IPA phonetic transcription, it becomes clear why each letter appears in the word. "Haddest" is pronounced /ˈhæd.ɪst/, with the "d" and "t" representing the past tense ending of the verb "have". "Weight" is pronounced /weɪt/, with the silent "gh" indicating the pronunciation of the long "a" sound. "Of" is pronounced /ʌv/, with the letter "o" representing the "uh" sound. Together, these letters and sounds create a unique and understandable word.