The spelling of the word "fatsa" may seem confusing at first, but it follows the rules of English phonetics. The "f" sound is represented by the letter "f", while the "a" sound is spelled using the letter "a". The letter "t" represents the "t" sound, and the "s" represents the "s" sound. Overall, the IPA phonetic transcription for "fatsa" would be /ˈfætsə/, which accurately represents the pronunciation of the word. Despite its unique spelling, "fatsa" is a simple and easy-to-pronounce word.