diff --git a/mix.html b/mix.html
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index 0000000..dab1b43
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+++ b/mix.html
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+<!DOCTYPE html>
+<html lang="fi">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Sanakirjainten sekoittaminen</title>
+    <script>
+        function shuffleWord(word) {
+            if (word.length <= 3) {
+                return word; // Jätetään pienet sanat ennalleen
+            }
+            let middle = word.slice(1, -1).split('');
+            for (let i = middle.length - 1; i > 0; i--) {
+                const j = Math.floor(Math.random() * (i + 1));
+                [middle[i], middle[j]] = [middle[j], middle[i]];
+            }
+            return word[0] + middle.join('') + word[word.length - 1];
+        }
+
+        function shuffleText() {
+            let inputText = document.getElementById("inputText").value;
+            let words = inputText.split(' ');
+            let shuffledWords = words.map(word => shuffleWord(word));
+            document.getElementById("outputText").innerText = shuffledWords.join(' ');
+        }
+    </script>
+</head>
+<body>
+    <h1>Sanojen keskimmäisten kirjainten sekoittaminen</h1>
+    <textarea id="inputText" rows="4" cols="50" placeholder="Kirjoita teksti tähän..."></textarea><br><br>
+    <button onclick="shuffleText()">Sekoita teksti</button><br><br>
+    <p><strong>Sekoitetut sanat:</strong></p>
+    <p id="outputText"></p>
+</body>
+</html>
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