4 letters
- scam10
- scan8
- scum11
- seal5
- seam7
- sear4
- seas4
- seat4
- seek8
- seem7
- seen5
- seme7
- semi7
- send6
- sene5
- sent5
- sera4
- seta4
- sewn8
- sham9
- shea6
- shun8
- sike8
- sima7
- sine5
- sink9
- skag10
- skas8
- skat8
- skee8
- skeg10
- skep11
- skew11
- skim11
- skin9
- skua9
- slam8
- slue6
- slum9
- smew10
- smug10
- smut8
- snag7
- snap8
- snaw8
- sned6
- snub9
- snug8
- snye7
- soak8
- soke8
- soma7
- some7
- sone5
- souk9
- spae7
- spam10
- span8
- spue8
- spun9
- stem7
- stum8
- stun6
- suba8
- suck12
- sued6
- suer5
- sues5
- suet5
- sulk10
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sura5
- sure5
- swam10
- swan8
- swum11
- syke10
- syne7
- take8
- tame7
- tams7
- tank9
- tans5
- task8
- taus5
- teak8
- team7
- teas4
- tens5
- tuna6
- tune6
- tuns6
- tusk9
- ukes9
- ulan7
- ulna7
- umps11
- unai6
- unau7
- unbe9
- unde7
- upas8
- urea5
- urns6
- ursa5
- used6
- user5
- uses5
- utas5
- uvea9
- vane9
- vans9
- vase8
- vaus9
- vena9
- waes7
- wake11
- wame10
- wane8
- wans8
- wauk12
- weak11
- wean8
- weka11
- wens8
- yaks10
- yams9
- yank11
- yean7
- yeas6
- yens7
- yeuk11
- yuan8
- yuks11
- zeks17