4 letters
- spat7
- spay9
- spaz16
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- star4
- suba8
- subs8
- suds6
- suer5
- sues5
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- swap10
- taps7
- tarp7
- tars4
- tass4
- taus5
- trap7
- tsar4
- tups8
- umps11
- upas8
- urbs8
- urds6
- urea5
- urns6
- ursa5
- urus6
- user5
- uses5
- utas5
- vars8
- vaus9
- waps10
- warp10
- wars7
- wasp10
- waur8
- wrap10
- wuss8
- yaps9
- yaup10
- yups10
- zaps16