4 letters
- segs6
- seif7
- seis4
- self8
- sels5
- seme7
- sene5
- sere4
- serf7
- sers4
- sets4
- sews7
- shea6
- shed7
- shes6
- shew9
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shul8
- shun8
- shut7
- sice7
- sics7
- skee8
- sloe5
- slue6
- sobs7
- sock11
- sods5
- sofa7
- soft7
- soke8
- sole5
- solo5
- sols5
- some7
- sone5
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sore4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sows7
- soys6
- spec10
- spue8
- subs8
- such10
- suck12
- suds6
- sued6
- suer5
- sues5
- suet5
- sugh9
- sumo8
- sums8
- suns6
- supe8
- sups8
- suqs14
- sure5
- surf8
- suss5
- syce9
- tees4
- teff10
- thee6
- thou7
- thus7
- toes4
- toff10
- tofu8
- tosh6
- toss4
- tuff11
- tush7
- udos6
- ughs9
- ukes9
- unco9
- used6
- user5
- uses5
- vees8
- voes8
- wees7
- whee9
- woes7
- woof10
- woos7
- wuss8
- yech11
- yuch12
- zees13
- zoos13