4 letters
- sera4
- sers4
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shes6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shri6
- shul8
- shun8
- shut7
- sial5
- sibs7
- sice7
- sick11
- sics7
- sigh8
- sign7
- sima7
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sire4
- sirs4
- sith6
- sits4
- skas8
- skin9
- skis8
- skua9
- slur6
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snub9
- snug8
- soar4
- sons5
- sora4
- sori4
- sorn5
- sour5
- sous5
- span8
- spar7
- spas7
- spic10
- spin8
- spun9
- spur8
- sris4
- star4
- stir4
- stun6
- suba8
- subs8
- such10
- suck12
- suds6
- suer5
- sues5
- sugh9
- suit5
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- swan8
- sync10
- tach9
- tahr6
- tain5
- tans5
- tarn5
- tars4
- tass4
- taus5
- than7
- thin7
- thir6
- this6
- thru7
- thus7
- tics7
- tins5
- tsar4
- tuis5
- tuna6
- tuns6
- turn6
- tush7
- ughs9
- ulan7
- ulna7
- unai6
- unau7
- unci9
- unco9
- unit6
- upas8
- urbs8
- urds6
- urea5
- uric8
- urns6
- ursa5
- urus6
- user5
- uses5
- utas5
- vacs11
- vain9
- vair8
- vans9
- vara8
- vars8
- vasa8
- vaus9
- vina9
- visa8
- wain8
- wair7
- wans8
- warn8
- wars7
- wash9
- waur8
- whin10
- whir9
- wich12
- wins8
- wish9
- wiss7
- wuss8
- yarn7
- yins7
- yuan8
- yuca10
- yuch12
- zinc17
- zins14