4 letters
- ruse5
- safe7
- scop10
- scup11
- seep7
- sego6
- seif7
- self8
- sept7
- serf7
- shoe6
- shop9
- sipe7
- skep11
- sloe5
- slop8
- slue6
- soap7
- sofa7
- soft7
- soke8
- sole5
- some7
- sone5
- soph9
- sops7
- sore4
- souk9
- soul6
- soup8
- sour5
- sous5
- spae7
- spec10
- sped8
- spew10
- spot7
- spud9
- spue8
- spun9
- spur8
- step7
- stop7
- sued6
- suer5
- sues5
- suet5
- sumo8
- sump11
- supe8
- sups8
- sure5
- surf8
- swop10
- teff10
- toes4
- toff10
- tofu8
- tope7
- tops7
- tuff11
- tups8
- udos6
- ukes9
- umps11
- upas8
- updo9
- upon9
- used6
- user5
- uses5
- voes8
- woes7
- wops10
- yups10