4 letters
- sear4
- seas4
- secs7
- send6
- sera4
- sers4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shed7
- shes6
- shin7
- shod7
- shri6
- shun8
- sics7
- sinh7
- sins5
- sirs4
- skas8
- snag7
- snap8
- snaw8
- sned6
- soar4
- soda5
- sods5
- sons5
- sora4
- sord5
- sorn5
- span8
- spar7
- spas7
- sris4
- star4
- such10
- suds6
- suns6
- sura5
- surd6
- swan8
- sync10
- tach9
- tads5
- tahr6
- tans5
- tarn5
- tars4
- tass4
- than7
- trad5
- tsar4
- urds6
- urns6
- ursa5
- vacs11
- vans9
- vara8
- vars8
- vasa8
- wads8
- wand9
- wans8
- ward8
- warn8
- wars7
- wash9
- yard7
- yarn7