diff --git a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
index 9e0bb1c2850..bd780e67700 100644
--- a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
+++ b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
@@ -244,7 +244,10 @@
         "assert.strictEqual(permAlone('aabb'), 8, 'message: <code>permAlone(\"aabb\")</code> should return 8.');",
         "assert.strictEqual(permAlone('abcdefa'), 3600, 'message: <code>permAlone(\"abcdefa\")</code> should return 3600.');",
         "assert.strictEqual(permAlone('abfdefa'), 2640, 'message: <code>permAlone(\"abfdefa\")</code> should return 2640.');",
-        "assert.strictEqual(permAlone('zzzzzzzz'), 0, 'message: <code>permAlone(\"zzzzzzzz\")</code> should return 0.');"
+        "assert.strictEqual(permAlone('zzzzzzzz'), 0, 'message: <code>permAlone(\"zzzzzzzz\")</code> should return 0.');",
+        "assert.strictEqual(permAlone('a'), 1, 'message: <code>permAlone(\"a\")</code> should return 1.');",
+        "assert.strictEqual(permAlone('aaab'), 0, 'message: <code>permAlone(\"aaab\")</code> should return 0.');",
+        "assert.strictEqual(permAlone('aaabb'), 12, 'message: <code>permAlone(\"aaabb\")</code> should return 12.');"
       ],
       "type": "bonfire",
       "MDNlinks": [