4 letters
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scop10
- scot7
- scow10
- scud9
- scum11
- seam7
- send6
- shad7
- sham9
- shmo9
- shod7
- sima7
- slam8
- smog9
- snag7
- snap8
- snaw8
- sned6
- snob8
- snog7
- snot5
- snow8
- soak8
- soap7
- soar4
- sock11
- soda5
- sods5
- sofa7
- soja13
- sola5
- sold6
- soma7
- some7
- sone5
- song7
- sons5
- soon5
- sora4
- sord5
- sorn5
- sown8
- soya6
- spam10
- span8
- stoa4
- sumo8
- swam10
- swan8
- sync10
- taco7
- tads5
- tams7
- tans5
- taos4
- toad5
- tods5
- toms7
- tons5
- udos6
- unco9
- undo7
- vacs11
- vans9
- wads8
- wand9
- wans8
- woad8
- wons8
- yams9
- yods7
- yond8