4 letters
- scow10
- scry9
- scud9
- scum11
- scup11
- scut8
- secs7
- sers4
- shes6
- shin7
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sick11
- sics7
- sinh7
- sink9
- sins5
- sirs4
- skas8
- skin9
- skis8
- skua9
- slur6
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soak8
- soar4
- sobs7
- sock11
- sods5
- soke8
- sols5
- sone5
- song7
- sons5
- sook8
- soon5
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- sows7
- soys6
- spun9
- spur8
- sris4
- stun6
- subs8
- such10
- suck12
- suds6
- suer5
- sues5
- sugh9
- sulk10
- sumo8
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- sync10
- thou7
- thro6
- thru7
- thus7
- tons5
- torc7
- torn5
- tors4
- tosh6
- toss4
- tour5
- tsks8
- tuck12
- tuns6
- turk9
- turn6
- tush7
- tusk9
- udos6
- ughs9
- ukes9
- unci9
- unco9
- undo7
- unto6
- upon9
- urbs8
- urds6
- uric8
- urns6
- ursa5
- urus6
- user5
- uses5
- woks11
- wonk12
- wons8
- work11
- worn8
- wuss8
- yock13
- yoks10
- your7
- yuch12
- yuck14
- yuks11
- zonk18