4 letters
- sari4
- scan8
- scar7
- scop10
- scot7
- scow10
- scry9
- scup11
- secs7
- seis4
- sels5
- sers4
- shin7
- ship9
- shoo6
- shop9
- shri6
- sial5
- sibs7
- sice7
- sick11
- sics7
- sign7
- sild6
- silk9
- sill6
- silo5
- silt5
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- sits4
- skin9
- skip11
- skis8
- slap8
- slid6
- slim8
- slip8
- slit5
- slob8
- sloe5
- slog7
- slop8
- slot5
- slow8
- slur6
- snap8
- snib8
- snip8
- snit5
- snob8
- snog7
- snot5
- snow8
- soap7
- soar4
- sobs7
- sock11
- sods5
- soil5
- sola5
- sold6
- sole5
- soli5
- solo5
- sols5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sops7
- sora4
- sorb7
- sord5
- sore4
- sori4
- sorn5
- sort4
- sots4
- soul6
- soup8
- sour5
- sous5
- sown8
- sows7
- soys6
- span8
- spar7
- spas7
- spec10
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spry9
- spun9
- spur8
- sris4
- stir4
- stop7
- suns6
- sups8
- swop10
- syli7
- sync10
- tics7
- tils5
- tins5
- tipi7
- tips7
- tirl5
- tiro4
- toil5
- tons5
- tool5
- toon5
- topi7
- tops7
- torc7
- tori4
- torn5
- toro4
- tors4
- toss4
- trio4
- trip7
- trop7
- unci9
- unco9
- upon9
- uric8
- urns6
- vino9
- viol9
- virl9
- wino8
- wins8
- wisp10
- wiss7
- wons8
- wool8
- woos7
- wops10
- worn8
- yins7
- yips9
- yoni7
- zinc17
- zins14
- zips16
- zoic16
- zoon14
- zoos13
- zori13