4 letters
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scop10
- scot7
- scow10
- scry9
- scud9
- scum11
- scup11
- scut8
- seam7
- sear4
- seat4
- sect7
- semi7
- sept7
- sera4
- seta4
- sett4
- sham9
- shat6
- shim9
- ship9
- shit6
- shmo9
- shop9
- shot6
- shri6
- shut7
- sial5
- sice7
- sick11
- sics7
- sift7
- silo5
- silt5
- sima7
- simp10
- sims7
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skat8
- skim11
- skip11
- skit8
- skua9
- slam8
- slap8
- slat5
- slim8
- slip8
- slit5
- slop8
- slot5
- slum9
- slur6
- slut6
- smit7
- smog9
- smug10
- smut8
- snap8
- snip8
- snit5
- snot5
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soft7
- soil5
- soja13
- sola5
- soli5
- soma7
- some7
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stem7
- step7
- stet4
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- suba8
- such10
- suck12
- suer5
- suet5
- suit5
- sumo8
- sump11
- sums8
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swam10
- swap10
- swat7
- swim10
- swop10
- swot7
- swum11
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- tahr6
- tail5
- tain5
- taka8
- tala5
- talc8
- tali5
- tame7
- tamp10
- tams7
- tans5
- taos4
- tapa7
- tape7
- taps7
- tare4
- tarn5
- taro4
- tarp7
- tars4
- tart4
- task8
- tass4
- tate4