4 letters
- seen5
- seep7
- seer4
- sees4
- seif7
- seis4
- seme7
- semi7
- sene5
- sera4
- sere4
- serf7
- sers4
- shea6
- shed7
- shes6
- shew9
- shim9
- shin7
- ship9
- shit6
- shiv10
- shoe6
- shri6
- sice7
- side5
- sigh8
- sike8
- sine5
- sinh7
- sipe7
- sire4
- sirs4
- site4
- sith6
- size13
- skee8
- sore4
- sori4
- sris4
- stir4
- suer5
- sure5
- tees4
- thee6
- thir6
- this6
- tier4
- ties4
- tire4
- tree4
- user5
- veer8
- vees8
- vier8
- vies8
- vise8
- weer7
- wees7
- weir7
- were7
- whee9
- whir9
- wire7
- wise7
- wish9
- zees13