4 letters
- runs6
- rusk9
- ryas6
- sack11
- sadi5
- said5
- sail5
- sain5
- sake8
- saki8
- salp8
- samp10
- sand6
- sane5
- sang7
- sank9
- sans5
- saps7
- sard5
- sari4
- sark8
- sati4
- sawn8
- scan8
- scar7
- sear4
- sera4
- shin7
- ship9
- shri6
- sial5
- sick11
- sign7
- sike8
- silk9
- sima7
- simp10
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- skag10
- skas8
- skat8
- skep11
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slap8
- slip8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- soak8
- soap7
- soar4
- sora4
- sori4
- sorn5
- spae7
- spam10
- span8
- spar7
- spas7
- spat7
- spay9
- spaz16
- spic10
- spik11
- spin8
- spit7
- spiv11
- spry9
- spun9
- spur8
- sris4
- star4
- stir4
- sunk10
- sura5
- swan8
- swap10
- tain5
- tank9
- tans5
- taps7
- tarn5
- tarp7
- tars4
- task8
- tins5
- tips7
- trap7
- trip7
- tsar4
- unai6
- upas8
- urns6
- ursa5
- vain9
- vair8
- vans9
- vars8
- vina9
- visa8
- wain8
- wair7
- wans8
- waps10
- wark11
- warn8
- warp10
- wars7
- wasp10
- wink12
- wins8
- wisp10
- wrap10
- yaks10
- yank11
- yaps9
- yarn7
- yins7
- yips9
- zaps16
- zins14
- zips16