diff --git a/src/scripts/make-word-list.ts b/src/scripts/make-word-list.ts
index 35ce1e0..a3e4bc0 100644
--- a/src/scripts/make-word-list.ts
+++ b/src/scripts/make-word-list.ts
@@ -2,8 +2,6 @@
 
 import fs from "fs";
 
-import { isSuperset } from "../lib/utils";
-
 const WORD_LIST_FP: string = "./src/assets/words/word-list.json";
 const GAME_LIST_FP: string = "./src/assets/words/game-list.json";
 
@@ -14,6 +12,15 @@ const MAX_WORD_SIZE: number = 5;
 
 const RAW_WORDS_URL: string = "https://raw.githubusercontent.com/wordnik/wordlist/main/wordlist-20210729.txt";
 
+export function isSuperset(set: Set<any>, subset: Iterable<any>): boolean {
+  for (const elem of subset) {
+    if (!set.has(elem)) {
+      return false;
+    }
+  }
+  return true;
+}
+
 function isWordValid(word: string): boolean {
   if (word.length < MIN_LETTERS || word.length > MAX_LETTERS) {
     return false;
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 85ee9e2..62eeafa 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -1,6 +1,6 @@
 {
   "extends": "@vue/tsconfig/tsconfig.dom.json",
-  "include": ["env.d.ts", "src/**/*", "src/**/*.vue", "src/lib/*"],
+  "include": ["env.d.ts", "src/**/*", "src/**/*.vue", "src/lib/**/*"],
   "exclude": ["src/**/__tests__/*", "src/scripts"],
   "compilerOptions": {
     "composite": true,