4 letters
- sera4
- sere4
- serf7
- sers4
- shea6
- shed7
- shes6
- shew9
- ship9
- shoe6
- shop9
- shri6
- shul8
- shun8
- shut7
- sice7
- sipe7
- sire4
- skep11
- slue6
- slur6
- soph9
- sore4
- soup8
- sour5
- spae7
- spar7
- spec10
- sped8
- spew10
- spic10
- spry9
- spud9
- spue8
- spun9
- spur8
- step7
- such10
- suck12
- sued6
- suer5
- sues5
- suet5
- sugh9
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- syce9
- syph11
- thru7
- thus7
- tref7
- true5
- tups8
- turf8
- tush7
- ughs9
- ukes9
- umps11
- upas8
- urbs8
- urds6
- urea5
- urge7
- uric8
- urns6
- ursa5
- urus6
- used6
- user5
- uses5
- yech11
- yuch12
- yups10