4 letters
- shim9
- shri6
- sial5
- sice7
- sick11
- side5
- sike8
- sild6
- silk9
- sill6
- silo5
- silt5
- sima7
- simp10
- sims7
- sine5
- sink9
- sipe7
- sire4
- sirs4
- site4
- size13
- skee8
- skeg10
- skep11
- skew11
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slam8
- sled6
- slew8
- slid6
- slim8
- slip8
- slit5
- sloe5
- slue6
- slum9
- slur6
- smew10
- smit7
- soil5
- soke8
- sole5
- soli5
- some7
- sore4
- sori4
- spik11
- sris4
- stem7
- stir4
- suer5
- sulk10
- sure5
- swim10
- syke10
- syli7
- tels5
- term7
- tier4
- ties4
- tike8
- tile5
- tils5
- time7
- tire4
- tirl5
- trek8
- trim7
- ukes9
- user5
- veil9
- vier8
- vies8
- vile9
- vims11
- virl9
- vise8
- weir7
- wile8
- wire7
- wise7
- yelk11
- yerk10
- ylem10
- zeks17
- zerk17