4 letters
- skag10
- skas8
- skat8
- skep11
- skip11
- skua9
- slap8
- snap8
- soak8
- soap7
- soph9
- souk9
- soup8
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spik11
- spud9
- spue8
- spun9
- spur8
- suba8
- such10
- suck12
- sugh9
- sulk10
- sulu7
- sump11
- sunk10
- supe8
- sups8
- sura5
- swap10
- syph11
- taps7
- task8
- taus5
- thus7
- tups8
- tush7
- tusk9
- ughs9
- ukes9
- ulus7
- umps11
- unau7
- upas8
- ursa5
- urus6
- utas5
- vaus9
- waps10
- wash9
- wasp10
- wauk12
- whap12
- yaks10
- yaps9
- yaup10
- yuks11
- yups10
- zaps16