4 letters
- staw7
- stum8
- suba8
- sumo8
- sump11
- sums8
- supe8
- sups8
- sura5
- swab10
- swag9
- swam10
- swan8
- swap10
- swat7
- sway9
- swim10
- swop10
- swum11
- tamp10
- tams7
- taps7
- taus5
- taws7
- tump11
- tups8
- twas7
- umps11
- upas8
- ursa5
- utas5
- vamp14
- vaus9
- vaws11
- wabs10
- wads8
- waes7
- wags9
- wame10
- wans8
- waps10
- warm10
- warp10
- wars7
- wash9
- wasp10
- wast7
- wats7
- wauk12
- waul9
- waur8
- waws10
- ways9
- wham12
- whap12
- wimp13
- wisp10
- wops10
- wrap10
- wuss8
- yams9
- yaps9
- yaup10
- yawp12
- yaws9
- yups10
- zaps16