4 letters
- soph9
- soul6
- soup8
- sour5
- spar7
- spay9
- spry9
- spud9
- spue8
- spun9
- spur8
- such10
- suer5
- sugh9
- sulk10
- sulu7
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- syli7
- syph11
- thru7
- thus7
- tups8
- tush7
- ughs9
- ugly10
- ulus7
- umps11
- upas8
- upby13
- urbs8
- urds6
- urns6
- ursa5
- urus6
- user5
- whys11
- yaps9
- yaup10
- yelp10
- yips9
- your7
- yuch12
- yuks11
- yule8
- yups10
- yurt7