4 letters
- soli5
- solo5
- sols5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sori4
- sorn5
- soul6
- soup8
- sown8
- soya6
- soys6
- span8
- spay9
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spun9
- stop7
- swop10
- sybo9
- syli7
- sync10
- syne7
- syph11
- tils5
- tins5
- tiny7
- tips7
- toil5
- tons5
- tony7
- tool5
- toon5
- topi7
- tops7
- toyo6
- toys6
- tyin7
- typo9
- upon9
- vino9
- viny11
- viol9
- wily10
- wino8
- wins8
- winy10
- wisp10
- wons8
- wool8
- woos7
- wops10
- wyns10
- yaps9
- yelp10
- yens7
- yids7
- yill8
- yins7
- yipe9
- yips9
- yobs9
- yods7
- yogi8
- yoks10
- yolk11
- yond8
- yoni7
- yowl10
- yows9
- yups10
- ywis9
- zins14
- zips16
- zoon14
- zoos13