4 letters
- seek8
- seem7
- seep7
- seme7
- semi7
- sept7
- sera4
- seta4
- sham9
- shea6
- sike8
- sima7
- simp10
- sipe7
- skag10
- skas8
- skat8
- skee8
- skeg10
- skep11
- skew11
- skim11
- skip11
- skua9
- slam8
- slap8
- slue6
- slum9
- smew10
- smug10
- smut8
- snap8
- soak8
- soap7
- soke8
- soma7
- some7
- souk9
- soup8
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spik11
- spud9
- spue8
- spun9
- spur8
- stem7
- step7
- stum8
- suba8
- suck12
- sued6
- suer5
- sues5
- suet5
- sulk10
- sumo8
- sump11
- sums8
- sunk10
- supe8
- sups8
- sura5
- sure5
- swam10
- swap10
- swum11
- syke10
- take8
- tame7
- tamp10
- tams7
- tape7
- taps7
- task8
- taus5
- teak8
- team7
- teas4
- temp10
- tepa7
- tump11
- tups8
- tusk9
- ukes9
- umps11
- upas8
- urea5
- ursa5
- used6
- user5
- uses5
- utas5
- uvea9
- vamp14
- vase8
- vaus9
- waes7
- wake11
- wame10
- waps10
- wasp10
- wauk12
- weak11
- weka11
- yaks10
- yams9
- yaps9
- yaup10
- yeas6
- yeuk11
- yuks11
- yups10
- zaps16
- zeks17