The spelling of "clayson" is phonetically represented as /kleɪsən/. The word is made up of two syllables, with the first syllable being pronounced as "clay" with a long vowel sound, and the second syllable pronounced as "son" with a short vowel sound. The letter "y" in the word can be confusing, as it is often pronounced differently in different words. In "clayson," it is pronounced as a long "i" sound, following the "a" sound in the first syllable.