From 1267cbe2a904006f25ce627cd1feca5b6da15d87 Mon Sep 17 00:00:00 2001
From: klemek <klemek@outlook.fr>
Date: Tue, 1 Mar 2022 10:53:01 +0100
Subject: [PATCH] fix traps

---
 main.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/main.js b/main.js
index 32338c1..094af2e 100644
--- a/main.js
+++ b/main.js
@@ -63,7 +63,8 @@ const kanas = {
             'きさち',
         ],
         katakanas: [
-            'ンソシ',
+            'ンソ',
+            'シシ',
             'ノメ',
             'クケタ',
             'コロヨ',
@@ -238,7 +239,7 @@ let app = {
                     similarIndexes.push(self.kanas.indexOf(utils.randitem(sameColumn)));
                 }
             }
-            return similarIndexes.unique();
+            return similarIndexes.unique().filter(i => i >= 0);
         },
         generateQuestion: function () {
             const self = this;