Text this: A monotonic early output asynchronous full adder

  _____    _    _    _    _     ______    ______  
 / ____|| | || | || | || | ||  /_   _//  /_   _// 
/ //---`' | || | || | || | ||   -| ||-   `-| |,-  
\ \\___   | \\_/ || | \\_/ ||   _| ||_     | ||   
 \_____||  \____//   \____//   /_____//    |_||   
  `----`    `---`     `---`    `-----`     `-`'