Add more dot-reph tests
diff --git a/test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/dot-reph.txt b/test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/dot-reph.txt
index 01b28dc..d158b8f 100644
--- a/test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/dot-reph.txt
+++ b/test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/dot-reph.txt
@@ -1,2 +1,12 @@
 ൎക
 ൎക്ക്ര
+ൎന്ന
+ൎഗ്ഗ്രോ
+ൎഗ്രോ
+ൎഗോ
+ൎഗ
+ഗ്ഗ്രോ
+ഗ്ഗ്ര
+ഗ്ഗോ
+ഗ്ഗ
+ഗ്രോ