4 letters
- shin7
- ship9
- shod7
- shoe6
- shop9
- shri6
- shun8
- side5
- sine5
- sinh7
- sins5
- sipe7
- sips7
- sire4
- sirs4
- size13
- skas8
- skep11
- slap8
- sled6
- snag7
- snap8
- snaw8
- sned6
- snip8
- snye7
- soap7
- soar4
- soda5
- sods5
- sone5
- sons5
- soph9
- sops7
- sora4
- sord5
- sore4
- sorn5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- sped8
- spew10
- spin8
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- star4
- step7
- suds6
- sued6
- suer5
- sues5
- suns6
- supe8
- sups8
- sura5
- surd6
- sure5
- swan8
- swap10
- syne7
- syph11
- tads5
- tahr6
- tans5
- tapa7
- tape7
- taps7
- tare4
- tarn5
- tarp7
- tars4
- tass4
- tear4
- teas4
- teds5
- tend6
- tens5
- tepa7
- tern5
- thae6
- than7
- then7
- trad5
- trap7
- tsar4
- tzar13
- unde7
- upas8
- urds6
- urea5
- urns6
- ursa5
- used6
- user5
- uses5
- vane9
- vans9
- vara8
- vars8
- vasa8
- vase8
- vena9
- vend10
- vera8
- wade8
- wads8
- waes7
- wand9
- wane8
- wans8
- waps10
- ward8
- ware7
- warn8
- warp10
- wars7
- wash9
- wasp10
- wean8
- wear7
- weds8
- wend9
- wens8
- whap12
- when10
- wrap10
- wren8
- yaps9
- yard7
- yare6
- yarn7
- yeah8
- yean7
- year6
- yeas6
- yens7
- zags15
- zany16
- zaps16
- zarf16
- zeal14
- zeds14
- zees13
- zein14
- zeks17
- zerk17
- zero13
- zest13
- zeta13
- zins14
- zips16
- zoea13
- zone14