diff --git a/leim/quail/latin-post.el b/leim/quail/latin-post.el
index a0901bbc6e0..4e02c6c5a8f 100644
--- a/leim/quail/latin-post.el
+++ b/leim/quail/latin-post.el
@@ -1828,11 +1828,13 @@ Dead accent is right to ,Af(B." nil t t t t nil nil nil nil nil t)
  ("-" ?,A_(B)
  ("=" ?\[)
  ("`" ?\])
+ ("y" ?z)
  ("[" ?,A|(B)
  ("]" ?+)
  (";" ?,Av(B)
  ("'" ?,Ad(B)
  ("\\" ?#)
+ ("z" ?y)
  ("/" ?-)
 
  ("@" ?\")
@@ -1840,6 +1842,7 @@ Dead accent is right to ,Af(B." nil t t t t nil nil nil nil nil t)
  ("^" ?&)
  ("&" ?/)
  ("*" ?\()
+ ("Y" ?Z)
  ("(" ?\))
  (")" ?=)
  ("_" ??)
@@ -1850,6 +1853,7 @@ Dead accent is right to ,Af(B." nil t t t t nil nil nil nil nil t)
  (":" ?,AV(B)
  ("\"" ?,AD(B)
  ("|" ?^)
+ ("Z" ?Y)
  ("<" ?\;)
  (">" ?:)
  ("?" ?_)