The spelling of the word "ASERSA" can be explained through its International Phonetic Alphabet (IPA) transcription /əˈsərsə/. The first vowel sound is represented by the letter 'a' followed by the letter 's', representing the 's' sound. The following vowel sound is represented by the letter 'e' and the letter 'r' represents the 'r' sound. Finally, the word ends with the 's' and 'a' sounds, represented by the letters 's' and 'a'. The phonetic transcription helps to accurately spell out the sounds in the word "ASERSA."