4 letters
- shed7
- shin7
- ship9
- shod7
- shop9
- shri6
- shun8
- sinh7
- slap8
- snag7
- snap8
- snaw8
- sned6
- snip8
- soap7
- soar4
- soda5
- soph9
- sora4
- sord5
- sorn5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- sped8
- spin8
- spry9
- spud9
- spun9
- spur8
- star4
- sura5
- surd6
- swan8
- swap10
- syph11
- tads5
- tahr6
- tans5
- tapa7
- taps7
- tarn5
- tarp7
- tars4
- than7
- trad5
- trap7
- tsar4
- upas8
- urds6
- urns6
- ursa5
- vans9
- vara8
- vars8
- vasa8
- wads8
- wand9
- wans8
- waps10
- ward8
- warn8
- warp10
- wars7
- wash9
- wasp10
- whap12
- wrap10
- yaps9
- yard7
- yarn7
- zaps16