4 letters
- seal5
- seas4
- secs7
- sect7
- seek8
- seel5
- sees4
- segs6
- seis4
- self8
- sell6
- sels5
- sers4
- sets4
- sews7
- shes6
- shul8
- sice7
- sick11
- sics7
- sike8
- silk9
- skas8
- skee8
- skeg10
- skep11
- skew11
- skis8
- skua9
- sled6
- slew8
- sloe5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- sock11
- soke8
- sole5
- sols5
- souk9
- soul6
- sous5
- spec10
- spue8
- subs8
- such10
- suck12
- suds6
- sued6
- suer5
- sues5
- suet5
- sulk10
- sulu7
- sums8
- sunk10
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- syce9
- syke10
- tels5
- tsks8
- tuck12
- tule6
- tusk9
- ukes9
- ulus7
- used6
- user5
- uses5
- wuss8
- yelk11
- yeuk11
- yuck14
- yuks11
- yule8
- zeks17