4 letters
- shop9
- sima7
- simp10
- sims7
- sips7
- sirs4
- skas8
- slam8
- slap8
- slop8
- smog9
- snap8
- soak8
- soap7
- soar4
- sobs7
- soda5
- sods5
- sofa7
- soja13
- sola5
- solo5
- sols5
- soma7
- some7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- sots4
- soup8
- sour5
- sous5
- sows7
- soya6
- soys6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spot7
- spry9
- spur8
- sris4
- star4
- stoa4
- stop7
- sumo8
- sump11
- sums8
- sups8
- sura5
- swam10
- swap10
- swop10
- tamp10
- tams7
- taos4
- taps7
- taro4
- tarp7
- tars4
- tass4
- toms7
- toom7
- tops7
- tora4
- toro4
- tors4
- toss4
- tram7
- trap7
- trop7
- tsar4
- umps11
- upas8
- ursa5
- vamp14
- vars8
- waps10
- warm10
- warp10
- wars7
- wasp10
- woos7
- wops10
- worm10
- wrap10
- yams9
- yaps9
- zaps16
- zoom16
- zoos13