4 letters
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- sits4
- skag10
- skas8
- skeg10
- skep11
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slag7
- slap8
- slid6
- slim8
- slip8
- slit5
- slog7
- slop8
- slug8
- slur6
- snag7
- snap8
- snib8
- snip8
- snit5
- snog7
- snug8
- soil5
- soli5
- sols5
- song7
- sons5
- sops7
- sori4
- sorn5
- span8
- spar7
- spas7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spun9
- spur8
- sris4
- stir4
- sulk10
- sung8
- sunk10
- sunn7
- suns6
- sups8
- swig9
- syli7
- tiki8
- tils5
- ting7
- tins5
- tipi7
- tips7
- tirl5
- trig6
- trip7
- tsks8
- urns6
- vigs10
- virl9
- wigs9
- wing10
- wink12
- wins8
- wisp10
- wiss7
- yins7
- yips9
- zigs15
- zing16
- zins14
- zips16