4 letters
- scup11
- seal5
- seel5
- seep7
- self8
- sell6
- sels5
- sept7
- sewn8
- sews7
- shew9
- shul8
- sill6
- sipe7
- skep11
- skew11
- slap8
- slaw8
- sled6
- slew8
- slip8
- sloe5
- slop8
- slow8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smew10
- sole5
- soul6
- soup8
- spae7
- spec10
- sped8
- spew10
- spud9
- spue8
- spun9
- spur8
- step7
- stew7
- sued6
- suer5
- sues5
- suet5
- sulk10
- sulu7
- sump11
- supe8
- sups8
- sure5
- swap10
- swop10
- swum11
- tell6
- tels5
- tews7
- tule6
- tups8
- ukes9
- ulus7
- umps11
- upas8
- used6
- user5
- uses5
- waes7
- wale8
- wall9
- waps10
- wasp10
- waul9
- weal8
- webs10
- weds8
- weel8
- weep10
- wees7
- weld9
- well9
- welt8
- wens8
- wept10
- west7
- wets7
- wile8
- will9
- wipe10
- wise7
- wisp10
- woes7
- wops10
- wuss8
- wyes9
- wyle10
- yell8
- yelp10
- yews9
- yule8
- yups10