4 letters
- spas7
- spat7
- spay9
- spaz16
- spew10
- spud9
- spue8
- spun9
- spur8
- staw7
- suba8
- subs8
- such10
- suds6
- sues5
- sugh9
- sump11
- sums8
- suns6
- supe8
- sups8
- suqs14
- sura5
- suss5
- swab10
- swag9
- swam10
- swan8
- swap10
- swat7
- sway9
- swop10
- swum11
- syph11
- taps7
- tass4
- taus5
- taws7
- thaw9
- thus7
- tups8
- tush7
- twas7
- ughs9
- umps11
- upas8
- ursa5
- uses5
- utas5
- vaus9
- vaws11
- wabs10
- wads8
- waes7
- wags9
- wans8
- waps10
- warp10
- wars7
- wash9
- wasp10
- wast7
- wats7
- wauk12
- waul9
- waur8
- waws10
- ways9
- wham12
- whap12
- what9
- whip12
- whoa9
- whop12
- whys11
- wish9
- wisp10
- wiss7
- wops10
- wrap10
- wuss8
- yaps9
- yaup10
- yawp12
- yaws9
- yups10
- zaps16