4 letters
- scan8
- scar7
- sear4
- seif7
- sera4
- serf7
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shri6
- shun8
- sial5
- sift7
- sigh8
- sign7
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- sith6
- skin9
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- soar4
- sofa7
- sora4
- sori4
- sorn5
- span8
- spar7
- spin8
- sris4
- star4
- stir4
- sura5
- surf8
- swan8
- tahr6
- tain5
- tans5
- tarn5
- tars4
- than7
- thin7
- thir6
- this6
- tins5
- tsar4
- unai6
- urns6
- ursa5
- vain9
- vair8
- vans9
- vara8
- vars8
- vasa8
- vina9
- visa8
- waif10
- wain8
- wair7
- wans8
- warn8
- wars7
- wash9
- whin10
- whir9
- wins8
- wish9
- yarn7
- yins7
- zarf16
- zins14