4 letters
- smit7
- snap8
- snip8
- soap7
- soar4
- soma7
- sora4
- sori4
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spur8
- sris4
- star4
- stir4
- sump11
- sura5
- swam10
- swap10
- swim10
- tamp10
- tams7
- tapa7
- taps7
- tarp7
- tars4
- tipi7
- tips7
- tram7
- trap7
- trim7
- trip7
- tsar4
- umps11
- upas8
- ursa5
- vair8
- vamp14
- vara8
- vars8
- vasa8
- vims11
- visa8
- wair7
- waps10
- warm10
- warp10
- wars7
- wasp10
- wimp13
- wisp10
- wrap10
- yams9
- yaps9
- yips9
- yirr6
- zaps16
- zips16