4 letters
- sham9
- shat6
- shaw9
- shay8
- shea6
- shin7
- ship9
- shit6
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shun8
- shut7
- sial5
- sigh8
- sign7
- silo5
- silt5
- sing7
- sinh7
- sith6
- skag10
- skat8
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slip8
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smog9
- smug10
- smut8
- snag7
- snap8
- snaw8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- snye7
- soak8
- soap7
- soar4
- soda5
- sofa7
- soft7
- soil5
- soja13
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- soya6
- soys6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spin8
- spit7
- spot7
- spry9
- spud9
- spue8
- spun9
- spur8
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- step7
- stey6
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- stye6
- suba8
- such10
- suer5
- suet5
- sugh9
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swag9
- swan8
- swap10
- swat7
- sway9
- swop10
- swot7
- sybo9
- syli7
- sync10
- syne7
- syph11
- tabs7
- tabu8
- tach9
- taco7
- tads5
- tael5
- tags6
- tahr6
- tail5
- tain5
- taka8
- tala5
- talc8
- tale5
- tali5
- talk9
- tall6
- tamp10
- tams7
- tang7
- tank9
- tans5
- taos4
- tapa7
- tape7
- taps7
- tare4