4 letters
- sawn8
- saws7
- says6
- scam10
- scan8
- scar7
- scat7
- scum11
- scut8
- seam7
- sear4
- seas4
- seat4
- seis4
- semi7
- sent5
- sera4
- sers4
- seta4
- sets4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shes6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shot6
- shri6
- shul8
- shun8
- shut7
- sial5
- sibs7
- sics7
- sift7
- sigh8
- sign7
- silt5
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skas8
- skat8
- skim11
- skin9
- skis8
- skit8
- skua9
- slam8
- slat5
- slim8
- slit5
- slum9
- slur6
- slut6
- smit7
- smug10
- smut8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snot5
- snub9
- snug8
- soar4
- soma7
- sons5
- sora4
- sori4
- sorn5
- sort4
- soth6
- sots4
- sour5
- sous5
- spam10
- span8
- spar7
- spas7
- spat7
- spin8
- spit7
- spun9
- spur8
- sris4
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stem7
- stir4
- stoa4
- stub8
- stud6
- stum8
- stun6
- suba8
- subs8
- such10
- suds6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- swam10
- swan8
- swat7
- swim10
- swum11
- tabs7
- tabu8
- tach9
- tads5
- tags6
- tahr6
- tail5
- tain5
- taka8
- tala5
- tali5
- tame7
- tamp10
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- taps7
- tare4
- tarn5
- taro4
- tarp7
- tars4
- tart4
- task8
- tass4
- tats4
- taus5
- taut5
- tavs8
- taws7
- taxa11
- taxi11
- team7
- tear4
- teas4
- tens5
- term7
- tern5
- thae6
- than7
- that6
- thaw9
- them9
- then7
- thin7
- thio6
- thir6
- this6