4 letters
- skag10
- skas8
- skin9
- skis8
- skua9
- slab8
- slag7
- slaw8
- slub9
- slug8
- snag7
- snaw8
- snib8
- snub9
- snug8
- suba8
- subs8
- such10
- suck12
- sugh9
- sulk10
- sung8
- sunk10
- suns6
- swab10
- swag9
- swan8
- swig9
- ughs9
- ulan7
- ulna7
- unai6
- unci9
- wabs10
- wack14
- wags9
- wail8
- wain8
- walk12
- wans8
- wash9
- wauk12
- waul9
- whig11
- whin10
- wich12
- wick14
- wigs9
- wing10
- wink12
- wins8
- wish9
- wiss7
- wuss8