diff --git a/java/res/xml/rowkeys_greek1.xml b/java/res/xml/rowkeys_greek1.xml
index c5033d0..6d76779 100644
--- a/java/res/xml/rowkeys_greek1.xml
+++ b/java/res/xml/rowkeys_greek1.xml
@@ -69,7 +69,7 @@
         latin:keySpec="&#x03B5;"
         latin:keyHintLabel="3"
         latin:additionalMoreKeys="3"
-        latin:moreKeys="&#x03AD;" />
+        latin:moreKeys="&#x03AD;,%" />
     <!-- U+03C1: "ρ" GREEK SMALL LETTER RHO -->
     <Key
         latin:keySpec="&#x03C1;"
@@ -88,7 +88,7 @@
         latin:keySpec="&#x03C5;"
         latin:keyHintLabel="6"
         latin:additionalMoreKeys="6"
-        latin:moreKeys="&#x03CD;,&#x03CB;,&#x03B0;" />
+        latin:moreKeys="&#x03CD;,%,&#x03CB;,&#x03B0;" />
     <!-- U+03B8: "θ" GREEK SMALL LETTER THETA -->
     <Key
         latin:keySpec="&#x03B8;"
@@ -102,14 +102,14 @@
         latin:keySpec="&#x03B9;"
         latin:keyHintLabel="8"
         latin:additionalMoreKeys="8"
-        latin:moreKeys="&#x03AF;,&#x03CA;,&#x0390;" />
+        latin:moreKeys="&#x03AF;,%,&#x03CA;,&#x0390;" />
     <!-- U+03BF: "ο" GREEK SMALL LETTER OMICRON
          U+03CC: "ό" GREEK SMALL LETTER OMICRON WITH TONOS -->
     <Key
         latin:keySpec="&#x03BF;"
         latin:keyHintLabel="9"
         latin:additionalMoreKeys="9"
-        latin:moreKeys="&#x03CC;" />
+        latin:moreKeys="&#x03CC;,%" />
     <!-- U+03C0: "π" GREEK SMALL LETTER PI -->
     <Key
         latin:keySpec="&#x03C0;"