4 letters
- scud9
- scup11
- scut8
- shin7
- ship9
- shit6
- shod7
- shoo6
- shop9
- shot6
- shri6
- shun8
- shut7
- sinh7
- sith6
- snip8
- snit5
- snot5
- soon5
- soot4
- soph9
- sord5
- sori4
- sorn5
- sort4
- soth6
- soup8
- sour5
- spic10
- spin8
- spit7
- spot7
- spud9
- spun9
- spur8
- stir4
- stop7
- stud6
- stun6
- such10
- suit5
- surd6
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thud8
- thus7
- tics7
- tins5
- tint5
- tips7
- tiro4
- tits4
- tods5
- toit4
- tons5
- toon5
- toot4
- toph9
- topi7
- tops7
- torc7
- tori4
- torn5
- toro4
- tors4
- tort4
- tosh6
- tost4
- tots4
- tour5
- tout5
- trio4
- trip7
- trod5
- trop7
- trot4
- tuis5
- tuns6
- tups8
- turd6
- turn6
- tush7
- tuts5
- udos6
- unci9
- unco9
- undo7
- unit6
- unto6
- updo9
- upon9
- urds6
- uric8
- urns6