Tip:
      The suffix '-sama' (さま) or '-san' (さん) is usually added to show respect
      to the person you are calling. Try not to call someone directly by their name
      without this.
  
  
  
      Basic greetings:
    
      - おはようございます、龍一さん - Good morning, Ryuichi-san
 
      - こんにちは、龍一さん - Hello/Good day, Ryuichi-san
 
      - こんばんは、龍一さん - Good evening, Ryuichi-san