Words:
* Up /ʌp/
* Under /ˈʌndər/
* Ugly /ˈʌɡli/
* Umbrella /ʌmˈbrelə/
* Uncle /ˈʌŋkəl/
* Us /ʌs/
* Use /juːz/
* Unit /ˈjuːnɪt/
* Ugly /ˈʌɡli/
* Utensil /juːˈtɛnsəl/
* Upset /ʌpˈsɛt/
* Unusual /ʌnˈjuːʒuəl/
* Understand /ˌʌndərˈstænd/
* Urban /ˈɜrbən/
Note: The short U sound is represented by the IPA symbol /ʌ/.
Let me know if you'd like more words or have any further questions!