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

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發送短信 : Insights on the Hierarchy of Letters in Scrabble Using Cosine Similarity, Minimum Spanning Tree, and Centrality Analysis