4 letters
- shoo6
- shop9
- shot6
- show9
- shri6
- sibs7
- sick11
- sics7
- sift7
- sigh8
- sike8
- silk9
- silo5
- sims7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sith6
- sits4
- skas8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- soak8
- sobs7
- sock11
- sods5
- sofa7
- soft7
- soil5
- soke8
- soli5
- solo5
- sols5
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sori4
- soth6
- sots4
- souk9
- sous5
- sows7
- soys6
- spik11
- sris4
- thio6
- this6
- took8
- tosh6
- toss4
- tsks8
- wish9
- wiss7
- woks11
- woof10
- woos7
- yoks10
- zoos13