4 letters
- spat7
- spay9
- spaz16
- spec10
- spic10
- spot7
- spry9
- spur8
- sris4
- star4
- stoa4
- stop7
- sumo8
- sump11
- sums8
- sups8
- sura5
- suss5
- swam10
- swap10
- swop10
- taco7
- tala5
- talc8
- tamp10
- tams7
- taos4
- tapa7
- taps7
- taro4
- tarp7
- tars4
- tass4
- tola5
- toms7
- tops7
- tora4
- torc7
- tors4
- toss4
- tram7
- trap7
- trop7
- tsar4
- umps11
- upas8
- ursa5
- vacs11
- vamp14
- vara8
- vars8
- vasa8
- waps10
- warm10
- warp10
- wars7
- wasp10
- wops10
- worm10
- wrap10
- yams9
- yaps9
- zaps16