Text this: The Nasal Endings and Retroflexed Initials in Peking Mandarin: Instability and the Trend of Changes

  _____    _    _    __   _     ______     _____  
 / ____|| | || | || | || | ||  /_   _//   / ___// 
/ //---`' | || | || | '--' ||   -| ||-    \___ \\ 
\ \\___   | \\_/ || | .--. ||   _| ||_    /    // 
 \_____||  \____//  |_|| |_||  /_____//  /____//  
  `----`    `---`   `-`  `-`   `-----`  `-----`