4 letters
- ship9
- shit6
- shiv10
- shop9
- shri6
- shul8
- sial5
- sice7
- sick11
- sics7
- sigh8
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sinh7
- sipe7
- sips7
- sith6
- sizy15
- skip11
- slap8
- slay7
- slid6
- slim8
- slip8
- slit5
- slop8
- snip8
- soil5
- soli5
- soph9
- spay9
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- such10
- syce9
- syli7
- sync10
- syph11
- this6
- tics7
- tils5
- tips7
- whip12
- whys11
- wich12
- wily10
- wish9
- wisp10
- wych14
- yaps9
- yech11
- yelp10
- yids7
- yill8
- yins7
- yipe9
- yips9
- yuch12
- yups10
- ywis9
- zips16