4 letters
- shim9
- shin7
- ship9
- shit6
- shiv10
- shoe6
- shri6
- shul8
- shun8
- shut7
- sibs7
- sice7
- sick11
- sics7
- side5
- sigh8
- sign7
- sike8
- silk9
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sipe7
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- size13
- skas8
- skee8
- skeg10
- skep11
- skew11
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- skua9
- slue6
- sned6
- snib8
- snip8
- snit5
- snub9
- snug8
- snye7
- soke8
- sone5
- sons5
- souk9
- sous5
- spik11
- spin8
- spue8
- spun9
- sris4
- stun6
- subs8
- such10
- suck12
- suds6
- sued6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sulk10
- sums8
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- syke10
- syne7
- teen5
- tees4
- tens5
- thee6
- then7
- thin7
- this6
- thus7
- ties4
- tike8
- tine5
- tins5
- tsks8
- tuis5
- tune6
- tuns6
- tush7
- tusk9
- ughs9
- ukes9
- unai6
- unbe9
- unci9
- unde7
- unit6
- urns6
- used6
- user5
- uses5
- vees8
- vein9
- vies8
- vine9
- vise8
- week11
- ween8
- wees7
- wens8
- whee9
- when10
- whin10
- wine8
- wink12
- wins8
- wise7
- wish9
- wiss7
- wuss8
- yens7
- yeuk11
- yins7
- yuks11
- zees13
- zein14
- zeks17
- zins14