diff --git a/source/org/thdl/tib/text/ttt/PackageTest.java b/source/org/thdl/tib/text/ttt/PackageTest.java
index 0fa0e5a..0050647 100644
--- a/source/org/thdl/tib/text/ttt/PackageTest.java
+++ b/source/org/thdl/tib/text/ttt/PackageTest.java
@@ -410,6 +410,9 @@ tstHelper("KA'", "[(K . A), (' . )]",
         tstHelper("NE+YA", "{NE}{+-}{YA}",
                   null, null, "!null!");
 
+        tstHelper("GA-YOGS", "{GA}{-}{YO}{G}{S}",
+                  new String[] { "{GA}{YO}{G+S}", "{GA}{YO}{G}{S}" }, null, "{GA}{YO}{G}{S}");
+
         tstHelper("GDAMS'O", "{G}{DA}{M}{S'O}",
                   new String[] {
                                  "{G+DA}{M+S'O}",
diff --git a/source/org/thdl/tib/text/ttt/TPairList.java b/source/org/thdl/tib/text/ttt/TPairList.java
index a92e04b..8223a03 100644
--- a/source/org/thdl/tib/text/ttt/TPairList.java
+++ b/source/org/thdl/tib/text/ttt/TPairList.java
@@ -354,6 +354,9 @@ class TPairList {
             if (ddebug) System.out.println("i is " + i);
             TPair p = get(i);
 
+            // GA-YOGS should be treated like GAYOGS or G-YOGS:
+            if (p.isDisambiguator()) continue;
+
             boolean nn;
             if ((nn = p.isNumeric()) && ("+".equals(get(i-1).getRight())
                                          || "+".equals(p.getRight())))