Similar to 三文字頭字語
ISMS
ISPS
ISPS
JAA
JAAJCB (曖昧さ回避)
JCB
JCI
JCIJCU
JCUJDD
JDD (disambiguation)
JFK
JFK (disambiguation)JGTO
JOC
JOCJPE
JPE
JRA
JRA
JRC
JRC
JRE
JREJSAF
JTA
JTAKFA
KFAKGB (曖昧さ回避)
KGB (disambiguation)
KKK
KKK (disambiguation)LBJ
LBJ (disambiguation)
LGBT
LGBTQ (acronym)LOI
LOI
LOL
LOL
LPGA
LTA
LTA
LTD
LTD
LTE
Mamil
Mamil
