4 letters
- slap8
- slue6
- snap8
- soap7
- soup8
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spud9
- spue8
- spun9
- spur8
- step7
- suba8
- sued6
- suer5
- sues5
- suet5
- sump11
- supe8
- sups8
- sura5
- sure5
- swap10
- tape7
- taps7
- taus5
- teas4
- tepa7
- tups8
- ukes9
- umps11
- upas8
- urea5
- ursa5
- used6
- user5
- uses5
- utas5
- uvea9
- vase8
- vaus9
- waes7
- waps10
- wasp10
- yaps9
- yaup10
- yeas6
- yups10
- zaps16