4 letters
- sans5
- saps7
- sard5
- sari4
- sark8
- sati4
- saul6
- sawn8
- scan8
- scar7
- scup11
- sear4
- sera4
- shin7
- ship9
- shri6
- shun8
- sial5
- sign7
- sima7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- skin9
- skip11
- skua9
- slap8
- slip8
- slur6
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snub9
- snug8
- soap7
- soar4
- sora4
- sori4
- sorn5
- soup8
- sour5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spud9
- spue8
- spun9
- spur8
- sris4
- star4
- stir4
- stun6
- suba8
- suer5
- suit5
- sump11
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- swan8
- swap10
- tain5
- tans5
- taps7
- tarn5
- tarp7
- tars4
- taus5
- tins5
- tips7
- trap7
- trip7
- tsar4
- tuis5
- tuna6
- tuns6
- tups8
- turn6
- ulan7
- ulna7
- umps11
- unai6
- unau7
- unci9
- unit6
- upas8
- upon9
- urbs8
- urds6
- urea5
- uric8
- urns6
- ursa5
- urus6
- user5
- utas5
- vain9
- vair8
- vans9
- vars8
- vaus9
- vina9
- visa8
- wain8
- wair7
- wans8
- waps10
- warn8
- warp10
- wars7
- wasp10
- waur8
- wins8
- wisp10
- wrap10
- yaps9
- yarn7
- yaup10
- yins7
- yips9
- yuan8
- yups10
- zaps16
- zins14
- zips16