4 letters
- sham9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shri6
- sibb10
- sibs7
- sigh8
- silo5
- sima7
- simp10
- sims7
- sinh7
- sith6
- skim11
- slim8
- slob8
- smit7
- smog9
- snib8
- snob8
- sobs7
- soil5
- soli5
- solo5
- soma7
- some7
- sook8
- soon5
- soot4
- soph9
- sorb7
- sori4
- soth6
- stob7
- sumo8
- swim10
- swob10
- sybo9
- thio6
- this6
- tomb10
- toms7
- toom7
- tosh6
- umbo11
- vims11
- whim12
- whom12
- wish9
- womb13
- woos7
- yobs9
- zoom16
- zoos13