diff --git a/scripts/geodata/i18n/transliteration_rules.py b/scripts/geodata/i18n/transliteration_rules.py
index fcfd6151..3bf296e8 100644
--- a/scripts/geodata/i18n/transliteration_rules.py
+++ b/scripts/geodata/i18n/transliteration_rules.py
@@ -68,13 +68,13 @@ EMPTY_TRANSITION = u'\u0004'
 NAMESPACE_SEPARATOR_CHAR = u"|"
 
 WORD_BOUNDARY_CHAR = u"\x01"
-PRE_CONTEXT_CHAR = u"\x02"
-POST_CONTEXT_CHAR = u"\x03"
+PRE_CONTEXT_CHAR = u"\x86"
+POST_CONTEXT_CHAR = u"\x87"
 EMPTY_TRANSITION_CHAR = u"\x04"
 REPEAT_CHAR = u"\x05"
-GROUP_INDICATOR_CHAR = u"\x06"
-BEGIN_SET_CHAR = u"\x0e"
-END_SET_CHAR = u"\x0f"
+GROUP_INDICATOR_CHAR = u"\x1d"
+BEGIN_SET_CHAR = u"\x0f"
+END_SET_CHAR = u"\x0e"
 
 BIDIRECTIONAL_TRANSLITERATORS = {
     'fullwidth-halfwidth': 'halfwidth-fullwidth'