4 letters
- quid15
- rhus7
- rids5
- rims7
- risk8
- rudd7
- rums8
- rush7
- rusk9
- sadi5
- said5
- saki8
- scud9
- scum11
- semi7
- shad7
- sham9
- shed7
- shim9
- shin7
- ship9
- shit6
- shiv10
- shmo9
- shod7
- shri6
- shul8
- shun8
- shut7
- sick11
- side5
- sigh8
- sike8
- sild6
- silk9
- sima7
- simp10
- sims7
- sinh7
- sink9
- sith6
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slid6
- slim8
- slum9
- smit7
- smug10
- smut8
- souk9
- spik11
- spud9
- stud6
- stum8
- such10
- suck12
- sudd7
- suds6
- sued6
- sugh9
- suit5
- sulk10
- sumo8
- sump11
- sums8
- sunk10
- surd6
- swim10
- swum11
- this6
- thud8
- thus7
- tiki8
- tuis5
- tush7
- tusk9
- udos6
- ughs9
- ukes9
- umps11
- urds6
- used6
- vims11
- whid10
- whim12
- wish9
- yids7
- yuks11