4 letters
- scop10
- scot7
- scow10
- scry9
- scud9
- scum11
- scup11
- scut8
- sear4
- seat4
- sect7
- sera4
- seta4
- shat6
- shit6
- shoo6
- shot6
- shri6
- shut7
- sial5
- sice7
- sick11
- sics7
- sift7
- silo5
- silt5
- sima7
- sire4
- sirs4
- site4
- sith6
- sits4
- skat8
- skit8
- skua9
- slat5
- slit5
- slot5
- slur6
- slut6
- smit7
- smut8
- snit5
- snot5
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soft7
- soil5
- soja13
- sola5
- soli5
- solo5
- soma7
- sook8
- soon5
- soot4
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- spar7
- spat7
- spic10
- spit7
- spot7
- spur8
- sris4
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- suba8
- such10
- suck12
- suer5
- suet5
- suit5
- sumo8
- sura5
- surd6
- sure5
- surf8
- swat7
- swot7
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- tahr6
- tail5
- tain5
- talc8
- tali5
- tams7
- tans5
- taos4
- taps7
- tare4
- tarn5
- taro4
- tarp7
- tars4
- tart4
- task8
- tass4
- tats4
- taus5
- taut5
- tavs8
- taws7
- taxi11
- tear4
- teas4
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thus7
- tick11
- tics7
- tier4
- ties4
- tils5
- tins5
- tips7
- tire4
- tirl5
- tiro4
- tits4
- toad5
- tods5
- toea4
- toes4
- tofu8
- toga6
- togs6
- toil5
- toit4
- tola5
- tolu6
- toms7
- tons5
- took8
- tool5
- toom7
- toon5
- toot4
- topi7
- tops7
- tora4
- torc7
- tore4
- tori4
- torn5
- toro4
- torr4
- tors4
- tort4
- tory6
- tosh6
- toss4
- tost4
- tots4
- tour5
- tout5
- tows7
- toyo6