4 letters
- ship9
- shoo6
- shop9
- shri6
- sice7
- sick11
- sics7
- sign7
- silo5
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- skin9
- skip11
- slip8
- slop8
- snap8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soap7
- soar4
- sock11
- soil5
- soli5
- solo5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- soup8
- sour5
- sown8
- span8
- spar7
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spun9
- spur8
- sris4
- stir4
- stop7
- swop10
- sync10
- tics7
- tins5
- tips7
- tiro4
- tons5
- toon5
- topi7
- tops7
- torc7
- tori4
- torn5
- toro4
- tors4
- trio4
- trip7
- trop7
- unci9
- unco9
- upon9
- uric8
- urns6
- vino9
- wino8
- wins8
- wisp10
- wons8
- woos7
- wops10
- worn8
- yins7
- yips9
- yoni7
- zinc17
- zins14
- zips16
- zoic16
- zoon14
- zoos13
- zori13