4 letters
- rule6
- ruse5
- rusk9
- sade5
- sake8
- sale5
- saul6
- scud9
- seal5
- seed5
- seek8
- seel5
- self8
- sell6
- sels5
- send6
- shed7
- shul8
- side5
- sike8
- sild6
- silk9
- skee8
- skeg10
- skep11
- skew11
- skid9
- skua9
- sled6
- slew8
- slid6
- sloe5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- sned6
- soke8
- sold6
- sole5
- souk9
- soul6
- sped8
- spud9
- spue8
- stud6
- suck12
- sudd7
- suds6
- sued6
- suer5
- sues5
- suet5
- sulk10
- sulu7
- sunk10
- supe8
- surd6
- sure5
- syke10
- teds5
- tels5
- tule6
- tusk9
- udos6
- ukes9
- ulus7
- unde7
- urds6
- used6
- user5
- uses5
- veld10
- weds8
- weld9
- yeld8
- yelk11
- yeuk11
- yuks11
- yule8
- zeds14
- zeks17