4 letters
- smug10
- smut8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- soma7
- some7
- sone5
- song7
- sons5
- soon5
- sori4
- sorn5
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spin8
- spun9
- stum8
- stun6
- suit5
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- swim10
- swum11
- syli7
- till6
- tils5
- tins5
- toil5
- toll6
- tolu6
- toms7
- tons5
- tuis5
- tuns6
- udos6
- ulan7
- ulna7
- ulus7
- umbo11
- umps11
- unai6
- unci9
- unco9
- undo7
- unit6
- unto6
- upon9
- urns6
- vill10
- vims11
- vino9
- viol9
- will9
- wino8
- wins8
- wons8
- yill8
- yins7
- yoni7
- zill15
- zins14