4 letters
- side5
- sign7
- sike8
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- site4
- size13
- skep11
- skew11
- skin9
- skip11
- slew8
- slip8
- smew10
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- snow8
- snye7
- sone5
- sown8
- spae7
- span8
- spec10
- sped8
- spew10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spue8
- spun9
- step7
- stew7
- supe8
- swan8
- swap10
- swig9
- swim10
- swop10
- syne7
- tens5
- tews7
- ties4
- tine5
- tins5
- tips7
- twin8
- vein9
- vies8
- view11
- vine9
- vise8
- waes7
- wain8
- wane8
- wans8
- waps10
- wasp10
- wean8
- webs10
- weds8
- ween8
- weep10
- wees7
- weir7
- wend9
- wens8
- went8
- wept10
- west7
- wets7
- when10
- whin10
- whip12
- wide8
- wife10
- wigs9
- wile8
- wimp13
- wind9
- wine8
- wing10
- wink12
- wino8
- wins8
- winy10
- wipe10
- wire7
- wise7
- wish9
- wisp10
- wiss7
- wist7
- wite7
- wits7
- wive11
- woes7
- wons8
- wops10
- wren8
- wyes9
- wyns10
- yens7
- yews9
- yins7
- yipe9
- yips9
- ywis9
- zein14
- zins14
- zips16