4 letters
- scup11
- scut8
- sham9
- shim9
- ship9
- shmo9
- shop9
- shul8
- shun8
- shut7
- simp10
- slam8
- slap8
- slim8
- slip8
- slop8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- smut8
- soph9
- soul6
- soup8
- spam10
- spec10
- spic10
- spud9
- spue8
- spun9
- spur8
- stum8
- such10
- suck12
- sugh9
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- supe8
- sups8
- swum11
- syph11
- thus7
- tump11
- tups8
- tush7
- ughs9
- ulus7
- umps11
- upas8
- yuch12
- yups10