4 letters
- sobs7
- sods5
- sofa7
- soft7
- soil5
- soke8
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- some7
- sone5
- sons5
- sook8
- soon5
- soot4
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- sots4
- soul6
- sour5
- sous5
- sows7
- soys6
- sris4
- suer5
- sues5
- sure5
- surf8
- tels5
- toes4
- tole5
- tool5
- tore4
- toro4
- tors4
- toss4
- tref7
- user5
- uses5
- voes8
- vole9
- woes7
- wolf11
- woof10
- wool8
- woos7
- wore7
- yore6
- zero13
- zoos13