How does Google autocompletethis query?

i think my mom is

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• 

  

  i think my mom is

  10,000
• 

  

  i think my mom is

  9,000
• 

  

  i think my mom is

  8,000
• 

  

  i think my mom is

  7,000
• 

  

  i think my mom is

  6,000
• 

  

  i think my mom is

  5,000
• 

  

  i think my mom is

  4,000
• 

  

  i think my mom is

  3,000
• 

  

  i think my mom is

  2,000
• 

  

  i think my mom is

  1,000

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