4 letters
- purs8
- push10
- puss8
- puts8
- romp10
- roms7
- roup8
- rump11
- rums8
- salp8
- samp10
- saul6
- scop10
- scum11
- scup11
- shmo9
- shop9
- shul8
- silo5
- simp10
- slam8
- slap8
- slim8
- slip8
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smog9
- smug10
- smut8
- soap7
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- some7
- soph9
- sops7
- souk9
- soul6
- soup8
- sour5
- sous5
- spam10
- spot7
- spud9
- spue8
- spun9
- spur8
- stop7
- stum8
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- supe8
- sups8
- swop10
- swum11
- tolu6
- toms7
- tops7
- tump11
- tups8
- udos6
- ulus7
- umbo11
- umps11
- upas8
- updo9
- upon9
- urus6
- wops10
- yups10