4 letters
- sain5
- sane5
- sang7
- sari4
- save8
- sear4
- seen5
- seer4
- sego6
- segs6
- seif7
- seis4
- semi7
- send6
- sene5
- sent5
- sera4
- sere4
- serf7
- sers4
- sewn8
- shag8
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sice7
- side5
- sigh8
- sign7
- sike8
- silo5
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sire4
- sirs4
- site4
- sith6
- size13
- skeg10
- skin9
- sloe5
- slog7
- slue6
- slug8
- slur6
- smog9
- smug10
- snag7
- sned6
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- snye7
- soar4
- soil5
- soke8
- sole5
- soli5
- solo5
- some7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spin8
- spiv11
- spue8
- spun9
- spur8
- sris4
- stir4
- stun6
- such10
- sued6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sumo8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sura5
- surd6
- sure5
- surf8
- swig9
- syne7
- tegs6
- tens5
- tern5
- then7
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thug9
- thus7
- tier4
- ties4
- tine5
- ting7
- tins5
- tire4
- tiro4
- toes4
- togs6
- tone5
- tong7
- tons5
- toon5
- tore4
- tori4
- torn5
- toro4
- torr4
- tors4
- tosh6
- tour5
- trig6
- trio4
- true5
- trug7
- tugs7
- tuis5
- tune6
- tung8
- tuns6
- turn6
- tush7
- udos6
- ughs9
- ukes9
- unai6
- unbe9
- unci9
- unco9
- unde7
- undo7
- unit6
- unto6
- upon9
- urbs8
- urds6
- urea5
- urge7
- uric8
- urns6
- ursa5