4 letters
- slum9
- smog9
- smug10
- smut8
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soja13
- soke8
- sola5
- soma7
- some7
- sook8
- sora4
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- spam10
- stoa4
- stum8
- suba8
- suck12
- sulk10
- sumo8
- sump11
- sums8
- sunk10
- sura5
- swam10
- swum11
- tams7
- taos4
- task8
- taus5
- toms7
- tusk9
- udos6
- ukes9
- umbo11
- umps11
- upas8
- ursa5
- utas5
- vaus9
- wauk12
- woks11
- yaks10
- yams9
- yoks10
- yuks11