4 letters
- sati4
- sawn8
- saws7
- scam10
- scow10
- seam7
- semi7
- sham9
- shaw9
- shim9
- shmo9
- show9
- sial5
- silo5
- sima7
- simp10
- sims7
- skim11
- slam8
- slaw8
- slim8
- slow8
- smew10
- smit7
- smog9
- snaw8
- snow8
- soak8
- soap7
- soar4
- soda5
- sofa7
- soil5
- soja13
- sola5
- soli5
- soma7
- some7
- sora4
- sori4
- sown8
- sows7
- soya6
- spam10
- staw7
- stoa4
- stow7
- sumo8
- swab10
- swag9
- swam10
- swan8
- swap10
- swat7
- sway9
- swig9
- swim10
- swob10
- swop10
- swot7
- swum11
- tams7
- taos4
- taws7
- toms7
- tows7
- twas7
- twos7
- vaws11
- vims11
- visa8
- vows11
- wabs10
- wadi8
- wads8
- waes7
- wags9
- waif10
- wail8
- wain8
- wair7
- wait7
- wame10
- wans8
- waps10
- warm10
- wars7
- wash9
- wasp10
- wast7
- wats7
- waws10
- ways9
- wham12
- whim12
- whoa9
- whom12
- wigs9
- wimp13
- wino8
- wins8
- wise7
- wish9
- wisp10
- wiss7
- wist7
- wits7
- woad8
- woes7
- wogs9
- woks11
- womb13
- wons8
- woos7
- wops10
- worm10
- wost7
- wots7
- wows10
- yams9
- yaws9
- yows9
- ywis9