4 letters
- snot5
- snow8
- snub9
- snug8
- soft7
- sone5
- song7
- sons5
- soon5
- soot4
- soph9
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- spot7
- spun9
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- such10
- suet5
- sugh9
- suit5
- sumo8
- sung8
- sunk10
- sunn7
- suns6
- swot7
- tans5
- taos4
- taus5
- tens5
- than7
- then7
- thin7
- thio6
- this6
- thou7
- thro6
- thru7
- thud8
- thug9
- thus7
- tins5
- tods5
- toes4
- tofu8
- togs6
- tolu6
- toms7
- tone5
- tong7
- tons5
- tony7
- toon5
- toph9
- tops7
- torn5
- tors4
- tosh6
- toss4
- tost4
- tots4
- tour5
- tout5
- town8
- tows7
- toys6
- tubs8
- tugs7
- tuis5
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turn6
- tush7
- tusk9
- tuts5
- twos7
- udos6
- ughs9
- unco9
- undo7
- unit6
- unto6
- upon9
- urns6
- utas5
- wons8
- wont8
- wost7
- wots7