diff --git a/syntax/oulipo.vim b/syntax/oulipo.vim
new file mode 100644
index 0000000..ab19992
--- /dev/null
+++ b/syntax/oulipo.vim
@@ -0,0 +1,8 @@
+if exists("b:current_syntax")
+    finish
+endif
+
+syntax match fifthGlyph "[Ee℮𝚎∈𝖾Єℯ𝕖⋳ᗴəᵉꗋ𝔼𝙴ΕᎬ𝘌Ɛ⋿ⴹ𝖤ƸꜪℇĘɛεЕꜫȨéèëêēẽÉÈÊËĒĔẼĖėĘęĚěЕе]"
+highlight link fifthGlyph Error
+
+let b:current_syntax = "oulipo"