4 letters
- scum11
- scup11
- scut8
- secs7
- seif7
- seis4
- shes6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shri6
- shul8
- shun8
- shut7
- sibs7
- sice7
- sick11
- sics7
- sift7
- sigh8
- sign7
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sirs4
- sith6
- sits4
- skin9
- skis8
- snib8
- snip8
- snit5
- snub9
- snug8
- sons5
- sous5
- spic10
- spin8
- spun9
- sris4
- stun6
- subs8
- such10
- suck12
- suds6
- sues5
- sugh9
- suit5
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- surf8
- suss5
- sync10
- thin7
- this6
- thus7
- tics7
- tins5
- tuis5
- tuns6
- tush7
- ughs9
- unai6
- unci9
- unco9
- unit6
- uric8
- urns6
- uses5
- whin10
- wich12
- wins8
- wish9
- wiss7
- wuss8
- yins7
- yuch12
- zinc17
- zins14