4 letters
- shun8
- sinh7
- slab8
- slap8
- slob8
- slop8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snob8
- snog7
- snot5
- snow8
- snub9
- soak8
- soap7
- soar4
- sobs7
- sock11
- soda5
- sofa7
- soja13
- sola5
- solo5
- soma7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soth6
- soup8
- sour5
- sown8
- soya6
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spec10
- spic10
- spin8
- spot7
- spry9
- spun9
- spur8
- stab7
- star4
- stoa4
- stob7
- stop7
- suba8
- such10
- sura5
- swab10
- swan8
- swap10
- swob10
- swop10
- sybo9
- sync10
- syph11
- tabs7
- tach9
- taco7
- tahr6
- tans5
- taos4
- taps7
- tarn5
- taro4
- tarp7
- tars4
- than7
- thro6
- tons5
- toon5
- toph9
- tops7
- tora4
- torc7
- torn5
- toro4
- torr4
- tors4
- tosh6
- trap7
- trop7
- tsar4
- unco9
- upas8
- upon9
- urbs8
- urns6
- ursa5
- vacs11
- vans9
- vars8
- wabs10
- wans8
- waps10
- warn8
- warp10
- wars7
- wash9
- wasp10
- whap12
- whoa9
- whop12
- wons8
- woos7
- wops10
- worn8
- wrap10
- yaps9
- yarn7
- yobs9
- zaps16
- zoon14
- zoos13