Similar to 三文字頭字語

• 

  JCU

  JCU
  
• 

  JDD

  JDD (disambiguation)
  
• 

  JFK

  JFK (disambiguation)
  
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  JGTO

  
• 

  JOC

  JOC
  
• 

  JRA

  JRA
  
• 

  JRC

  JRC
  
• 

  JRE

  JRE
  
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  JSAF

  
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  JTA

  JTA
  
• 

  KFA

  KFA
  
• 

  KGB (曖昧さ回避)

  KGB (disambiguation)
  
• 

  KKK

  KKK (disambiguation)
  
• 

  KRI

  Kri
  
• 

  LBJ

  LBJ (disambiguation)
  
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  LGBT

  LGBTQ
  
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  LOI

  LOI
  
• 

  LOL

  LOL
  
• 

  LPGA

  
• 

  LTA

  LTA
  
• 

  LTD

  LTD
  
• 

  LTE

  
• 

  Mamil

  Mamil
  
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  MIRAB

  MIRAB
  
• 

  MLB

  
• 

  MLO

  MLO
  ▼-2 trends

  
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  MMA

  MMA (disambiguation)
  
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  MNU

  MNU