4 letters
- snap8
- snib8
- snip8
- snit5
- snob8
- snog7
- snub9
- snug8
- song7
- sorb7
- sori4
- sorn5
- soup8
- sour5
- span8
- spar7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- stir4
- stub8
- stun6
- suba8
- subs8
- suer5
- sugh9
- suit5
- sump11
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swig9
- ting7
- tins5
- tips7
- trig6
- trip7
- trug7
- tubs8
- tugs7
- tuis5
- tung8
- tuns6
- tups8
- turn6
- ughs9
- umps11
- unai6
- unbe9
- unci9
- unit6
- upas8
- upby13
- upon9
- urbs8
- urds6
- urge7
- uric8
- urns6
- ursa5
- urus6
- user5
- vigs10
- vugs11
- wigs9
- wing10
- wins8
- wisp10
- yins7
- yips9
- yups10
- zigs15
- zing16
- zins14
- zips16