4 letters
- silo5
- silt5
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- skep11
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slap8
- slid6
- slim8
- slip8
- slit5
- slop8
- snap8
- snib8
- snip8
- snit5
- soil5
- soli5
- span8
- spic10
- spik11
- spin8
- spit7
- spiv11
- spun9
- sulk10
- sunk10
- syli7
- tiki8
- tils5
- tins5
- tipi7
- tips7
- wink12
- wins8
- wisp10
- yins7
- yips9
- zins14
- zips16