1. This is vowel u

2. u u mbrella 3. u s u n 4. u d u ck 5. u b u tterfly 6. u c u p 7. u c u t 8. u b u gs 9. u r u n 10. u f u n 11. u dr u m 12. u t u b 13. u pl u ms 14. d u ck c u p pl u ms dr u m b u tterfly c u t s u n t u b u mbrella b u gs f u n