4 letters
- show9
- shul8
- shun8
- shut7
- skep11
- skip11
- skua9
- slop8
- soak8
- soap7
- sock11
- soke8
- solo5
- sook8
- soon5
- soot4
- soph9
- sops7
- soth6
- souk9
- soul6
- soup8
- sour5
- sous5
- spik11
- spot7
- spud9
- spue8
- spun9
- spur8
- stop7
- such10
- suck12
- sugh9
- sulk10
- sumo8
- sump11
- sunk10
- supe8
- sups8
- swop10
- syph11
- thou7
- thus7
- took8
- toph9
- tops7
- tosh6
- tups8
- tush7
- tusk9
- udos6
- ughs9
- ukes9
- umps11
- upas8
- updo9
- upon9
- whop12
- woks11
- woos7
- wops10
- yoks10
- yuks11
- yups10
- zoos13