4 letters
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sibs7
- sics7
- sigh8
- silo5
- sims7
- sinh7
- sins5
- sips7
- sire4
- sirs4
- sith6
- sits4
- skis8
- slur6
- soar4
- sobs7
- sods5
- soil5
- soli5
- sols5
- sons5
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sows7
- soys6
- spur8
- sris4
- stir4
- subs8
- such10
- suds6
- suer5
- sues5
- sugh9
- suit5
- sumo8
- sums8
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thus7
- tiro4
- tori4
- tors4
- tosh6
- toss4
- tour5
- trio4
- tuis5
- tush7
- udos6
- ughs9
- urbs8
- urds6
- uric8
- urns6
- ursa5
- urus6
- user5
- uses5
- whir9
- wish9
- wiss7
- wuss8
- your7
- zori13