4 letters
- seis4
- sels5
- seme7
- semi7
- sene5
- sept7
- sere4
- sers4
- sets4
- sews7
- shes6
- simp10
- sims7
- sipe7
- sips7
- skee8
- skep11
- slue6
- slum9
- smew10
- smug10
- smut8
- some7
- sops7
- soup8
- sous5
- spae7
- spam10
- spas7
- spec10
- sped8
- spew10
- spud9
- spue8
- spun9
- spur8
- stem7
- step7
- stum8
- subs8
- suds6
- sued6
- suer5
- sues5
- suet5
- sumo8
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- swum11
- teem7
- tees4
- temp10
- tump11
- tups8
- ukes9
- umps11
- upas8
- used6
- user5
- uses5
- veep11
- vees8
- weep10
- wees7
- wuss8
- yups10
- zees13