4 letters
- scam10
- scan8
- scar7
- scat7
- scop10
- scot7
- scow10
- scud9
- seas4
- secs7
- send6
- shad7
- shod7
- sibs7
- sics7
- sins5
- skas8
- slab8
- slob8
- snag7
- snap8
- snaw8
- sned6
- snib8
- snob8
- snog7
- snot5
- snow8
- snub9
- soak8
- soap7
- soar4
- sobs7
- sock11
- soda5
- sods5
- sofa7
- soja13
- sola5
- sold6
- sols5
- soma7
- sone5
- song7
- sons5
- soon5
- sops7
- sora4
- sorb7
- sord5
- sorn5
- sots4
- sous5
- sown8
- sows7
- soya6
- soys6
- span8
- spas7
- stab7
- stoa4
- stob7
- suba8
- subs8
- suds6
- suns6
- swab10
- swan8
- swob10
- sybo9
- sync10
- tabs7
- taco7
- tads5
- tans5
- taos4
- tass4
- toad5
- tods5
- tons5
- toss4
- udos6
- unco9
- undo7
- vacs11
- vans9
- wabs10
- wads8
- wand9
- wans8
- woad8
- wons8
- yobs9
- yods7
- yond8