4 letters
- rotl5
- roto4
- rots4
- sail5
- sale5
- salp8
- salt5
- sate4
- sati4
- scat7
- scop10
- scot7
- scow10
- scup11
- scut8
- seal5
- seat4
- secs7
- sect7
- seel5
- seep7
- sego6
- seif7
- seis4
- self8
- sell6
- sels5
- semi7
- sent5
- sept7
- seta4
- sets4
- sett4
- sext11
- shah8
- shat6
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shul8
- shut7
- sial5
- sice7
- sick11
- sics7
- side5
- sift7
- sigh8
- sike8
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sine5
- sinh7
- sipe7
- sips7
- sire4
- site4
- sith6
- sits4
- size13
- skep11
- skip11
- skit8
- slap8
- slat5
- sled6
- slew8
- slid6
- slim8
- slip8
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slue6
- slut6
- smit7
- snip8
- snit5
- snot5
- soap7
- sock11
- soft7
- soil5
- soke8
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- some7
- sone5
- sook8
- soon5
- soot4
- soph9
- sops7
- sore4
- sori4
- sort4
- soth6
- sots4
- soul6
- soup8
- spae7
- spat7
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spue8
- stem7
- step7
- stet4
- stew7
- stey6
- stir4
- stoa4
- stob7
- stop7
- stow7
- stye6
- such10
- suet5
- suit5
- supe8
- swop10
- swot7
- syce9
- syli7
- syph11
- tace7
- tach9
- taco7
- tael5
- tail5
- talc8
- tale5
- tali5
- taos4
- tape7
- taps7
- teal5
- teas4
- teds5
- teel5
- tees4
- tegs6
- tela5
- tele5
- tell6
- tels5
- temp10
- tens5
- tepa7
- test4
- teth6
- tets4
- tews7
- thae6
- thee6
- them9
- then7
- thew9
- they8
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thus7