4 letters
- send6
- sene5
- sent5
- sera4
- sere4
- serf7
- sers4
- sets4
- sewn8
- sews7
- shea6
- shed7
- shes6
- shew9
- shin7
- shoe6
- shri6
- shun8
- sine5
- sinh7
- sins5
- sire4
- sirs4
- skee8
- sned6
- snye7
- sone5
- sons5
- sore4
- sorn5
- sris4
- suer5
- sues5
- suns6
- sure5
- suss5
- syne7
- teen5
- tees4
- tens5
- tern5
- thee6
- then7
- tree4
- urns6
- user5
- uses5
- veer8
- vees8
- ween8
- weer7
- wees7
- wens8
- were7
- whee9
- when10
- wren8
- yens7
- zees13