4 letters
- scum11
- scup11
- scut8
- sect7
- sept7
- shah8
- shat6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sial5
- sice7
- sick11
- sics7
- sift7
- sigh8
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sinh7
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skip11
- skit8
- slap8
- slat5
- slid6
- slim8
- slip8
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smit7
- smut8
- snip8
- snit5
- snot5
- soap7
- soar4
- sock11
- soft7
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- spar7
- spat7
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- star4
- step7
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- such10
- suck12
- suer5
- suet5
- sugh9
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swop10
- swot7
- syli7
- syph11
- tach9
- taco7
- tahr6
- tail5
- talc8
- tali5
- taos4
- taps7
- taro4
- tarp7
- tars4
- taus5
- tels5
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thud8
- thug9
- thus7
- tick11
- tics7
- tier4
- ties4
- tiki8
- tile5
- till6
- tils5
- tilt5
- tins5
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- tods5
- toes4
- tofu8
- togs6
- toil5
- toit4
- tola5
- told6
- tole5
- toll6
- tolu6
- toms7
- tons5
- tool5
- tope7
- toph9
- topi7