4 letters
- shri6
- shul8
- sial5
- sice7
- side5
- sike8
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- simp10
- sims7
- sine5
- sipe7
- sips7
- sire4
- sirs4
- site4
- size13
- skep11
- skim11
- skip11
- slam8
- slap8
- sled6
- slew8
- slid6
- slim8
- slip8
- slit5
- sloe5
- slop8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smew10
- smit7
- smug10
- smut8
- snip8
- soil5
- sole5
- soli5
- some7
- sore4
- sori4
- soul6
- soup8
- sour5
- spae7
- spam10
- spar7
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- stem7
- step7
- stir4
- stum8
- sued6
- suer5
- sues5
- suet5
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swim10
- swum11
- syli7
- tels5
- temp10
- term7
- tier4
- ties4
- tile5
- tils5
- time7
- tips7
- tire4
- tirl5
- trim7
- trip7
- true5
- tuis5
- tule6
- tump11
- tups8
- ukes9
- ulus7
- umps11
- upas8
- urbs8
- urds6
- urea5
- urge7
- uric8
- urns6
- ursa5
- urus6
- used6
- user5
- uses5
- veil9
- vier8
- vies8
- vile9
- vims11
- virl9
- vise8
- weir7
- wile8
- wimp13
- wipe10
- wire7
- wise7
- wisp10
- yelp10
- yipe9
- yips9
- ylem10
- yule8
- yups10
- zips16