4 letters
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slum9
- smit7
- smog9
- snap8
- snip8
- soak8
- soap7
- soar4
- soda5
- sofa7
- soil5
- soja13
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- some7
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sori4
- soul6
- soup8
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- stoa4
- stop7
- sumo8
- sump11
- swam10
- swap10
- swim10
- swop10
- syli7
- tail5
- tali5
- tall6
- tamp10
- tams7
- taos4
- taps7
- till6
- tils5
- tips7
- toil5
- tola5
- toll6
- toms7
- tool5
- toom7
- topi7
- tops7
- umps11
- upas8
- vail9
- vamp14
- vial9
- vill10
- vims11
- viol9
- visa8
- wail8
- wall9
- waps10
- wasp10
- will9
- wimp13
- wisp10
- wool8
- woos7
- wops10
- yams9
- yaps9
- yill8
- yips9
- zaps16
- zill15
- zips16
- zoom16
- zoos13