4 letters
- shed7
- shim9
- shin7
- ship9
- shit6
- shiv10
- shod7
- shri6
- shun8
- sial5
- sice7
- sick11
- sics7
- side5
- sigh8
- sign7
- sild6
- sima7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- sith6
- skid9
- skin9
- slid6
- snag7
- snap8
- snaw8
- sned6
- snib8
- snip8
- snit5
- soar4
- soda5
- sora4
- sord5
- sori4
- sorn5
- span8
- spar7
- spic10
- spin8
- sris4
- star4
- stir4
- such10
- sura5
- surd6
- swan8
- sync10
- tach9
- tads5
- tahr6
- tain5
- tans5
- tarn5
- tars4
- than7
- thin7
- thir6
- this6
- tics7
- tins5
- trad5
- tsar4
- unai6
- unci9
- urds6
- uric8
- urns6
- ursa5
- vacs11
- vain9
- vair8
- vans9
- vara8
- vars8
- vasa8
- vina9
- visa8
- wadi8
- wads8
- wain8
- wair7
- wand9
- wans8
- ward8
- warn8
- wars7
- wash9
- whid10
- whin10
- whir9
- wich12
- wind9
- wins8
- wish9
- yard7
- yarn7
- yids7
- yins7
- yird7
- zinc17
- zins14