4 letters
- scot7
- scow10
- scry9
- scup11
- sear4
- sera4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- shun8
- sial5
- sice7
- sick11
- sics7
- sigh8
- sign7
- silo5
- sima7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- sith6
- skin9
- skip11
- slap8
- slip8
- slop8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soil5
- soja13
- sola5
- soli5
- soma7
- sone5
- song7
- sons5
- soon5
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- soup8
- sour5
- sown8
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spun9
- spur8
- sris4
- star4
- stir4
- stoa4
- stop7
- such10
- sura5
- swan8
- swap10
- swop10
- sync10
- syph11
- tach9
- taco7
- tahr6
- tain5
- tans5
- taos4
- taps7
- tarn5
- taro4
- tarp7
- tars4
- than7
- thin7
- thio6
- thir6
- this6
- thro6
- tics7
- tins5
- tips7
- tiro4
- tons5
- toph9
- topi7
- tops7
- tora4
- torc7
- tori4
- torn5
- tors4
- tosh6
- trap7
- trio4
- trip7
- trop7
- tsar4
- unai6
- unci9
- unco9
- upas8
- upon9
- uric8
- urns6
- ursa5
- vacs11
- vain9
- vair8
- vans9
- vars8
- vina9
- vino9
- visa8
- wain8
- wair7
- wans8
- waps10
- warn8
- warp10
- wars7
- wash9
- wasp10
- whap12
- whin10
- whip12
- whir9
- whoa9
- whop12
- wich12
- wino8
- wins8
- wish9
- wisp10
- wons8
- wops10
- worn8
- wrap10
- yaps9
- yarn7