4 letters
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- snap8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soap7
- sobs7
- sods5
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- sone5
- song7
- sons5
- soon5
- soph9
- sops7
- sori4
- sorn5
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- sows7
- soys6
- span8
- spas7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spud9
- spue8
- spun9
- spur8
- sris4
- stop7
- stun6
- subs8
- suds6
- sues5
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- suqs14
- suss5
- swop10
- syli7
- tils5
- tins5
- tips7
- toil5
- tolu6
- tons5
- topi7
- tops7
- toss4
- tuis5
- tuns6
- tups8
- udos6
- ulan7
- ulna7
- ulus7
- umps11
- unai6
- unau7
- unci9
- unco9
- undo7
- unit6
- unto6
- upas8
- updo9
- upon9
- urns6
- urus6
- uses5
- vino9
- viol9
- wino8
- wins8
- wisp10
- wiss7
- wons8
- wops10
- wuss8
- yins7
- yips9
- yoni7
- yups10
- zins14
- zips16