4 letters
- soap7
- soar4
- sora4
- sorb7
- sore4
- soup8
- sour5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spry9
- spud9
- spue8
- spun9
- spur8
- stab7
- star4
- step7
- stub8
- suba8
- subs8
- sued6
- suer5
- sues5
- suet5
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swab10
- swap10
- tabs7
- tabu8
- tape7
- taps7
- tare4
- tarp7
- tars4
- taus5
- tear4
- teas4
- tees4
- tepa7
- trap7
- tree4
- true5
- tsar4
- tuba8
- tube8
- tubs8
- tups8
- ukes9
- umps11
- unbe9
- upas8
- upby13
- urbs8
- urds6
- urea5
- urge7
- urns6
- ursa5
- urus6
- used6
- user5
- uses5
- utas5
- uvea9
- vars8
- vase8
- vaus9
- veep11
- veer8
- vees8
- vera8
- verb11
- wabs10
- waes7
- waps10
- ware7
- warp10
- wars7
- wasp10
- waur8
- wear7
- webs10
- weep10
- weer7
- wees7
- were7
- wrap10
- yaps9
- yare6
- yaup10
- year6
- yeas6
- yups10
- zaps16
- zebu17
- zees13