4 letters
- rump11
- rune6
- semi7
- shim9
- shin7
- ship9
- shmo9
- shoe6
- shop9
- shun8
- simp10
- sine5
- sinh7
- sipe7
- snip8
- some7
- sone5
- soph9
- soup8
- spin8
- spue8
- spun9
- sumo8
- sump11
- supe8
- temp10
- them9
- then7
- thin7
- thio6
- thou7
- time7
- tine5
- tome7
- tone5
- tope7
- toph9
- topi7
- tump11
- tune6
- umbo11
- umps11
- unai6
- unau7
- unbe9
- unci9
- unco9
- unde7
- undo7
- unit6
- unto6
- updo9
- upon9
- vein9
- vine9
- vino9
- when10
- whim12
- whin10
- whip12
- whom12
- whop12
- wimp13
- wine8
- wino8
- wipe10
- yipe9
- yoni7
- zein14
- zone14