4 letters
- snip8
- soap7
- soar4
- sops7
- sora4
- sore4
- sori4
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spue8
- spur8
- sris4
- star4
- step7
- stir4
- suer5
- sues5
- supe8
- sups8
- sura5
- sure5
- swap10
- tapa7
- tape7
- taps7
- tare4
- tarp7
- tars4
- tass4
- tear4
- teas4
- tees4
- tepa7
- tier4
- ties4
- tips7
- tire4
- trap7
- tree4
- trip7
- tsar4
- upas8
- urea5
- ursa5
- user5
- uses5
- vair8
- vara8
- vars8
- vasa8
- vase8
- veep11
- veer8
- vees8
- vera8
- vier8
- vies8
- visa8
- vise8
- waes7
- wair7
- waps10
- ware7
- warp10
- wars7
- wasp10
- wear7
- weep10
- weer7
- wees7
- weir7
- were7
- wipe10
- wire7
- wise7
- wisp10
- wiss7
- wrap10
- yaps9
- yare6
- year6
- yeas6
- yipe9
- yips9
- yirr6
- zaps16
- zees13
- zips16