4 letters
- smog9
- smug10
- smut8
- snip8
- soap7
- soda5
- sods5
- soil5
- sold6
- soli5
- soma7
- some7
- soph9
- sops7
- sord5
- sori4
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- soys6
- spam10
- spay9
- sped8
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spud9
- spue8
- spun9
- spur8
- stop7
- stud6
- stum8
- sudd7
- suds6
- sued6
- suit5
- sumo8
- sump11
- sums8
- supe8
- sups8
- surd6
- swim10
- swop10
- swum11
- sybo9
- syli7
- syph11
- tidy7
- tips7
- tods5
- tody7
- toms7
- topi7
- tops7
- toys6
- tuis5
- tump11
- tups8
- typo9
- udos6
- umbo11
- umps11
- undo7
- undy9
- upas8
- upby13
- updo9
- upon9
- urds6
- used6
- vims11
- void9
- wimp13
- wisp10
- wops10
- yams9
- yaps9
- yaud8
- yaup10
- yids7
- yins7
- yipe9
- yips9
- yird7
- yobs9
- yodh9
- yods7
- yogi8
- yoks10
- yond8
- yoni7
- your7
- yows9
- yuks11
- yups10
- ywis9
- zips16