4 letters
- urbs8
- urds6
- urea5
- urge7
- urns6
- ursa5
- urus6
- used6
- user5
- uses5
- utas5
- uvea9
- vane9
- vang11
- vans9
- vara8
- vars8
- vasa8
- vase8
- vaus9
- vena9
- vera8
- verb11
- vugs11
- wabs10
- waes7
- wage9
- wags9
- wame10
- wane8
- wans8
- ware7
- warm10
- warn8
- wars7
- waur8
- wean8
- wear7
- webs10
- wens8
- wren8
- yams9
- yang9
- yare6
- yarn7
- yean7
- year6
- yeas6
- yens7
- yuan8
- yuga9
- zags15
- zebu17