4 letters
- sins5
- skid9
- skin9
- slid6
- slug8
- smug10
- snag7
- sned6
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- song7
- spin8
- spud9
- spun9
- stud6
- stun6
- sudd7
- suds6
- sued6
- sugh9
- suit5
- sung8
- sunk10
- sunn7
- suns6
- surd6
- swig9
- ting7
- tins5
- tugs7
- tuis5
- tung8
- tuns6
- udos6
- ughs9
- unai6
- unci9
- unde7
- undo7
- undy9
- unit6
- urds6
- urns6
- used6
- vigs10
- vugs11
- wigs9
- wind9
- wing10
- wins8
- yids7
- yins7
- zigs15
- zing16
- zins14