4 letters
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- snag7
- snib8
- snip8
- snit5
- snob8
- snog7
- snub9
- snug8
- sobs7
- soil5
- soli5
- sols5
- song7
- sons5
- soul6
- sous5
- spin8
- spun9
- sris4
- stub8
- stun6
- suba8
- subs8
- such10
- suds6
- sues5
- sugh9
- suit5
- sulk10
- sulu7
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- suss5
- swig9
- syli7
- thin7
- this6
- thug9
- thus7
- tils5
- ting7
- tins5
- tubs8
- tugs7
- tuis5
- tung8
- tuns6
- tush7
- ughs9
- ugly10
- ulan7
- ulna7
- ulus7
- unai6
- unbe9
- unci9
- unit6
- urbs8
- urns6
- uses5
- vigs10
- vugh13
- vugs11
- whig11
- whin10
- wigs9
- wing10
- wins8
- wish9
- wiss7
- wuss8
- yins7
- zigs15
- zing16
- zins14