4 letters
- sett4
- shat6
- shit6
- shot6
- shri6
- shul8
- shun8
- shut7
- sift7
- silt5
- sith6
- slat5
- slit5
- slot5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smut8
- soft7
- sort4
- soth6
- soul6
- sour5
- spur8
- star4
- stat4
- stet4
- stir4
- stub8
- stud6
- stum8
- stun6
- such10
- suer5
- suet5
- sugh9
- suit5
- sulk10
- sulu7
- sura5
- surd6
- sure5
- surf8
- tahr6
- tars4
- tart4
- tats4
- taus5
- taut5
- tels5
- test4
- teth6
- tets4
- that6
- thir6
- this6
- thou7
- thro6
- thru7
- thud8
- thug9
- thus7
- tils5
- tilt5
- tirl5
- tits4
- toft7
- tofu8
- tolu6
- tors4
- tort4
- tosh6
- tost4
- tots4
- tour5
- tout5
- tref7
- tret4
- trot4
- true5
- trug7
- tsar4
- tubs8
- tufa8
- tuff11
- tuft8
- tugs7
- tuis5
- tule6
- tuns6
- tups8
- turd6
- turf8
- turk9
- turn6
- tush7
- tusk9
- tuts5
- tutu6
- ughs9
- ulus7
- urbs8
- urds6
- urns6
- ursa5
- urus6
- user5
- utas5
- yurt7