4 letters
- rusk9
- sall6
- sals5
- saul6
- scum11
- sell6
- sels5
- shmo9
- shul8
- silk9
- sill6
- silo5
- sims7
- skas8
- skim11
- skis8
- skua9
- slam8
- slim8
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smog9
- smug10
- smut8
- soak8
- sobs7
- sock11
- sods5
- soil5
- soke8
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- some7
- sons5
- sook8
- sops7
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sows7
- soys6
- stum8
- subs8
- suck12
- suds6
- sues5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sunk10
- suns6
- sups8
- suqs14
- suss5
- swum11
- toll6
- tolu6
- toms7
- toss4
- tsks8
- tusk9
- udos6
- ukes9
- ulus7
- umbo11
- umps11
- uses5
- woks11
- wuss8
- yoks10
- yolk11
- yuks11