4 letters
- scup11
- scut8
- secs7
- seis4
- ship9
- shop9
- sibs7
- sice7
- sick11
- sics7
- silo5
- simp10
- sims7
- sins5
- sipe7
- sips7
- sirs4
- sits4
- skip11
- skis8
- slip8
- slop8
- snip8
- soap7
- sobs7
- sock11
- sods5
- soil5
- soli5
- sols5
- sons5
- soph9
- sops7
- sori4
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sows7
- soys6
- spas7
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spud9
- spue8
- spun9
- spur8
- sris4
- stop7
- subs8
- such10
- suck12
- suds6
- sues5
- suit5
- sulu7
- sumo8
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- suss5
- swop10
- tics7
- tipi7
- tips7
- topi7
- tops7
- toss4
- tuis5
- tups8
- udos6
- ulus7
- umps11
- unci9
- unco9
- upas8
- updo9
- upon9
- uric8
- urus6
- uses5
- wisp10
- wiss7
- wops10
- wuss8
- yips9
- yups10
- zips16
- zoic16