diff --git a/nls/en_US.UTF-8/Compose.pre b/nls/en_US.UTF-8/Compose.pre
index 75936c51..5e647eb1 100644
--- a/nls/en_US.UTF-8/Compose.pre
+++ b/nls/en_US.UTF-8/Compose.pre
@@ -5042,6 +5042,14 @@ XCOMM Arabic Lam-Alef ligatures
 <UFEF9>	: "لإ" # ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW
 <UFEF5>	: "لآ" # ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE
 
+XCOMM Breton N-graphs
+<ch>	: "ch"	# LATIN SMALL LETTER C U0063 followed by LATIN SMALL LETTER H U0068
+<Ch>	: "Ch"	# LATIN CAPITAL LETTER C U0043 followed by LATIN SMALL LETTER H U0068
+<CH>	: "CH"	# LATIN CAPITAL LETTER C U0043 followed by LATIN CAPITAL LETTER H U0048
+<c_h>	: "c’h"	# LATIN SMALL LETTER C U0063 followed by RIGHT SINGLE QUOTATION MARK U2019 and LATIN SMALL LETTER H U0068
+<C_h>	: "C’h"	# LATIN CAPITAL LETTER C U0043 followed by RIGHT SINGLE QUOTATION MARK U2019 and LATIN SMALL LETTER H U0068
+<C_H>	: "C’H"	# LATIN CAPITAL LETTER C U0043 followed by RIGHT SINGLE QUOTATION MARK U2019 and LATIN CAPITAL LETTER H U0048
+
 XCOMM French-Dvorak Bépo compositions
 <dead_abovedot> <j>			: "ȷ"	U0237 # LATIN SMALL LETTER DOTLESS J
 <dead_abovedot> <L>			: "Ŀ"	U013F # LATIN CAPITAL LETTER L WITH MIDDLE DOT