4 letters
- sawn8
- saws7
- scab10
- scar7
- seal5
- sear4
- sera4
- shaw9
- shul8
- sial5
- silk9
- skag10
- skas8
- skat8
- skew11
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slew8
- slob8
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- snaw8
- snub9
- soak8
- soar4
- sola5
- sora4
- sorb7
- souk9
- soul6
- sour5
- spar7
- spur8
- stab7
- star4
- staw7
- stub8
- suba8
- subs8
- suck12
- suer5
- sulk10
- sulu7
- sunk10
- sura5
- surd6
- sure5
- surf8
- swab10
- swag9
- swam10
- swan8
- swap10
- swat7
- sway9
- swob10
- swum11
- tabs7
- tabu8
- talk9
- tars4
- task8
- taus5
- taws7
- tsar4
- tuba8
- tubs8
- turk9
- tusk9
- twas7
- ukes9
- ulan7
- ulna7
- ulus7
- ulva10
- upas8
- urbs8
- urds6
- urea5
- urns6
- ursa5
- urus6
- user5
- utas5
- vars8
- vaus9
- vaws11
- wabs10
- wack14
- wads8
- waes7
- wags9
- wail8
- wair7
- wake11
- wale8
- walk12
- wall9
- waly10
- wans8
- waps10
- ward8
- ware7
- wark11
- warm10
- warn8
- warp10
- wars7
- wart7
- wary9
- wash9
- wasp10
- wast7
- wats7
- wauk12
- waul9
- waur8
- wawl11
- waws10
- ways9
- weak11
- weal8
- wear7
- webs10
- weka11
- woks11
- work11
- wrap10
- wuss8
- yaks10
- yawl10
- yaws9
- yuks11