diff --git a/index.html b/index.html
index 194ebbe..012674f 100644
--- a/index.html
+++ b/index.html
@@ -107,7 +107,12 @@ const startingText = "[]"
 var drawingMode = false
 var added = []
 const maxItemsFromSources = 20
-let alphabet = ['abcdefghijklmnopqrstuvwxyz', '0123456789', '<>'];
+let alphabet = [ // arguably not clearer than 'abcde...' but more flexible so can consider other chracters
+    Array.from({ length: 26 }, (e, i) => String.fromCharCode(i + 65)).join(''),
+    Array.from({ length: 26 }, (e, i) => String.fromCharCode(i + 97)).join(''),
+    Array.from({ length: 10 }, (e, i) => String.fromCharCode(i + 48)).join(''),
+    Array.from({ length: 95 }, (e, i) => String.fromCharCode(i + 32)).filter( c => !c.match(/[a-zA-Z0-9]/) ).join(''),
+    '<>']
 var commandhistory = []
 const savedProperties = [ "src", "position", "rotation", "scale", "value", ] // add newer properties e.g visibility and generator as class
 var groupSelection = []