4 letters
- skim11
- skin9
- slim8
- slug8
- slum9
- smit7
- smog9
- smug10
- smut8
- snag7
- snib8
- snip8
- snit5
- snog7
- snub9
- snug8
- song7
- spin8
- spun9
- stum8
- stun6
- sugh9
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- swig9
- swim10
- swum11
- ting7
- tins5
- tugs7
- tuis5
- tung8
- tuns6
- ughs9
- umps11
- unai6
- unci9
- unit6
- urns6
- vigs10
- vims11
- vugg13
- vugs11
- wigs9
- wing10
- wins8
- yins7
- zigs15
- zing16
- zins14