4 letters
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- skim11
- skin9
- skip11
- slim8
- slip8
- slop8
- smit7
- smog9
- snap8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soap7
- sock11
- soil5
- soli5
- solo5
- soma7
- some7
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sori4
- sorn5
- soup8
- sown8
- spam10
- span8
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spun9
- stop7
- sumo8
- sump11
- sunn7
- swim10
- swop10
- sync10
- tics7
- tins5
- tips7
- toms7
- tons5
- toom7
- toon5
- topi7
- tops7
- umps11
- unci9
- unco9
- upon9
- vims11
- vino9
- wimp13
- wino8
- wins8
- wisp10
- wons8
- woos7
- wops10
- yins7
- yips9
- yoni7
- zinc17
- zins14
- zips16
- zoic16
- zoom16
- zoon14
- zoos13