4 letters
- sank9
- scud9
- seed5
- seek8
- seen5
- send6
- sene5
- sent5
- sewn8
- shed7
- shun8
- side5
- sike8
- sine5
- sink9
- skee8
- skeg10
- skep11
- skew11
- skid9
- skin9
- skua9
- sled6
- slue6
- sned6
- snub9
- snug8
- snye7
- soke8
- sone5
- souk9
- sped8
- spud9
- spue8
- spun9
- stud6
- stun6
- suck12
- sudd7
- suds6
- sued6
- suer5
- sues5
- suet5
- sulk10
- sung8
- sunk10
- sunn7
- suns6
- supe8
- surd6
- sure5
- syke10
- syne7
- teds5
- tend6
- tens5
- tune6
- tuns6
- tusk9
- udos6
- ukes9
- unbe9
- unde7
- undo7
- undy9
- urds6
- urns6
- used6
- user5
- uses5
- vend10
- weds8
- wend9
- wens8
- yens7
- yeuk11
- yuks11
- zeds14
- zeks17