The spelling of the word "apperson" can be explained using IPA phonetic transcription. The first syllable is pronounced as "æp," which is the short sound of the letter "a" followed by the sound "p." The second syllable is pronounced as "ər," which is the neutral vowel sound "uh" followed by the sound "r." The final syllable is pronounced as "sən," which is the neutral vowel sound "uh" followed by the sound "s" and the short sound of the letter "o." Together, these sounds create the spelling of "apperson."