4 letters
- puds9
- puns9
- push10
- quod15
- rhos6
- rhus7
- rods5
- rood5
- runs6
- rush7
- sand6
- scud9
- send6
- shad7
- shed7
- shin7
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shul8
- shun8
- shut7
- sinh7
- sned6
- snob8
- snog7
- snot5
- snow8
- snub9
- snug8
- soda5
- sods5
- sold6
- solo5
- sone5
- song7
- sons5
- sook8
- soon5
- soot4
- soph9
- sord5
- sorn5
- soth6
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spud9
- spun9
- stud6
- stun6
- such10
- sudd7
- suds6
- sued6
- sugh9
- sumo8
- sung8
- sunk10
- sunn7
- suns6
- surd6
- thou7
- thud8
- thus7
- tods5
- tons5
- toon5
- tosh6
- tuns6
- tush7
- udos6
- ughs9
- unco9
- unde7
- undo7
- undy9
- unto6
- updo9
- upon9
- urds6
- urns6
- used6
- wons8
- wood8
- woos7
- yodh9
- yods7
- yond8
- zoon14
- zoos13