The word "daidIing" is not a commonly used word, and its spelling may appear confusing. However, using the International Phonetic Alphabet (IPA), we can break down the pronunciation of this word. The first syllable is pronounced as "deɪd," with an emphasis on the long "a" sound. The second syllable is pronounced as "aɪŋ," with a long "i" sound followed by an "ng" sound. Therefore, the correct spelling of this word is "d-a-i-d-I-n-g".