4 letters
- show9
- shri6
- sibb10
- sibs7
- sics7
- sigh8
- silo5
- simp10
- sims7
- sinh7
- sins5
- sipe7
- sips7
- sirs4
- sith6
- sits4
- skip11
- skis8
- slip8
- slob8
- slop8
- snib8
- snip8
- snob8
- soap7
- sobs7
- sods5
- soil5
- soli5
- sols5
- sons5
- soph9
- sops7
- sorb7
- sori4
- soth6
- sots4
- soup8
- sous5
- sows7
- soys6
- spas7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- sris4
- stob7
- stop7
- subs8
- sups8
- swob10
- swop10
- sybo9
- syph11
- thio6
- this6
- tips7
- toph9
- topi7
- tops7
- tosh6
- toss4
- whip12
- whop12
- wish9
- wisp10
- wiss7
- wops10
- yips9
- yobs9
- zips16