The term 'Sound of Surprise' can be expressed in a variety of ways, such as 'GASP' (4 letters), 'Eek' (3 letters), 'AHA' (3 letters), 'GEE' (3 letters), 'Aah' (3 letters), 'Hoh' (3 letters), and 'Yipe' (4 letters). These words are all interjections that are used to express surprise, shock, or excitement. They are often used in informal conversations and can be used to express a range of emotions from mild surprise to extreme shock.