4 letters
- saws7
- says6
- scab10
- scar7
- sear4
- seas4
- sera4
- sers4
- sibs7
- sirs4
- skas8
- skua9
- slab8
- slub9
- slur6
- snub9
- soar4
- sobs7
- sora4
- sorb7
- sour5
- sous5
- spar7
- spas7
- spur8
- sris4
- stab7
- star4
- stub8
- suba8
- subs8
- suds6
- suer5
- sues5
- sums8
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- swab10
- tabs7
- tabu8
- tars4
- tass4
- taus5
- tsar4
- tuba8
- tubs8
- upas8
- urbs8
- urds6
- urea5
- urns6
- ursa5
- urus6
- user5
- uses5
- utas5
- vars8
- vaus9
- wabs10
- wars7
- waur8
- wuss8