4 letters
- rush7
- sadi5
- said5
- sail5
- saul6
- scud9
- shad7
- shay8
- shed7
- shim9
- shin7
- ship9
- shit6
- shiv10
- shod7
- shri6
- shul8
- shun8
- shut7
- sial5
- side5
- sigh8
- sild6
- silk9
- sill6
- silo5
- silt5
- sinh7
- sith6
- sizy15
- skid9
- slay7
- sled6
- slid6
- slim8
- slip8
- slit5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- soil5
- sold6
- soli5
- soul6
- spud9
- stud6
- such10
- sudd7
- suds6
- sued6
- sugh9
- suit5
- sulk10
- sulu7
- surd6
- syli7
- syph11
- this6
- thud8
- thus7
- tidy7
- tils5
- tuis5
- tush7
- udos6
- ughs9
- ugly10
- ulus7
- undy9
- urds6
- used6
- whid10
- whys11
- wild9
- wily10
- wish9
- yald8
- yaud8
- yeld8
- yids7
- yill8
- yins7
- yips9
- yird7
- yodh9
- yods7
- yuch12
- yuks11
- yule8
- yups10
- ywis9