4 letters
- sigh8
- sike8
- simp10
- sims7
- sine5
- sinh7
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- size13
- skee8
- skep11
- skew11
- skip11
- skis8
- slew8
- slip8
- smew10
- snip8
- soph9
- sops7
- sore4
- sori4
- sows7
- spae7
- spar7
- spas7
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spue8
- spur8
- sris4
- step7
- stew7
- stir4
- suer5
- sues5
- supe8
- sups8
- sure5
- swap10
- swig9
- swim10
- swop10
- syph11
- tees4
- tews7
- thee6
- thew9
- thir6
- this6
- tier4
- ties4
- tips7
- tire4
- tree4
- trip7
- twee7
- user5
- uses5
- veep11
- veer8
- vees8
- vier8
- vies8
- view11
- vise8
- waes7
- wair7
- waps10
- ware7
- warp10
- wars7
- wash9
- wasp10
- wear7
- webs10
- weds8
- weed8
- week11
- weel8
- ween8
- weep10
- weer7
- wees7
- weet7
- weir7
- wens8
- wept10
- were7
- wert7
- west7
- wets7
- whap12
- whee9
- when10
- whet9
- whew12
- whey11
- whid10
- whig11
- whim12
- whin10
- whip12
- whir9
- whit9
- whiz18
- whop12
- whys11
- wich12
- wide8
- wife10
- wigs9
- wile8
- wimp13
- wine8
- wins8
- wipe10
- wire7
- wiry9
- wise7
- wish9
- wisp10
- wiss7
- wist7
- wite7
- with9
- wits7
- wive11
- woes7
- wops10
- wore7
- wrap10
- wren8
- writ7
- wuss8
- wyes9
- yews9
- yipe9
- yips9
- yirr6
- ywis9
- zees13
- zips16