4 letters
- shay8
- shed7
- shim9
- shin7
- ship9
- shit6
- shiv10
- shod7
- shri6
- sibb10
- sibs7
- side5
- sigh8
- sild6
- sinh7
- sire4
- sirs4
- sith6
- sizy15
- skid9
- slid6
- snib8
- sorb7
- sord5
- sori4
- spry9
- sris4
- stir4
- surd6
- sybo9
- syli7
- syph11
- thir6
- this6
- tidy7
- urbs8
- urds6
- whid10
- whir9
- whys11
- wiry9
- wish9
- yard7
- yids7
- yins7
- yips9
- yird7
- yirr6
- yobs9
- yodh9
- yods7
- ywis9