4 letters
- soli5
- sone5
- song7
- sons5
- soon5
- soot4
- soph9
- sops7
- sori4
- sorn5
- sort4
- soth6
- sots4
- souk9
- soul6
- soup8
- sour5
- sous5
- sown8
- span8
- spat7
- spic10
- spik11
- spin8
- spit7
- spiv11
- spot7
- spud9
- spue8
- spun9
- spur8
- stag6
- stat4
- step7
- stet4
- stir4
- stoa4
- stob7
- stop7
- stow7
- stub8
- stud6
- stum8
- stun6
- such10
- suet5
- sugh9
- suit5
- sumo8
- sump11
- sung8
- sunk10
- sunn7
- suns6
- supe8
- sups8
- swig9
- swop10
- swot7
- syph11
- tags6
- tain5
- tang7
- tans5
- taos4
- taps7
- tats4
- taus5
- taut5
- tegs6
- tens5
- tent5
- test4
- teth6
- tets4
- than7
- that6
- then7
- thin7
- thio6
- thir6
- this6
- thou7
- thro6
- thru7
- thud8
- thug9
- thus7
- tics7
- ties4
- tils5
- tilt5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tiro4
- titi4
- tits4
- tods5
- toes4
- toft7
- tofu8
- toga6
- togs6
- toil5
- toit4
- tolu6
- toms7
- tone5
- tong7
- tons5
- tony7
- toon5
- toot4
- tope7
- toph9
- topi7
- tops7
- tori4
- torn5
- tors4
- tort4
- tosh6
- toss4
- tost4
- tote4
- tots4
- tour5
- tout5
- town8
- tows7
- toys6
- trig6
- trio4
- trip7
- trop7
- trot4
- trug7
- tubs8
- tuft8
- tugs7
- tuis5
- tump11
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turn6
- tush7
- tusk9
- tuts5
- tutu6
- twig9
- twin8
- twit7
- twos7
- tyin7
- typo9
- udos6
- ughs9
- umps11
- unai6
- unci9
- unco9
- undo7
- unit6
- unto6
- upas8
- updo9
- upon9
- urns6
- utas5
- vigs10
- vino9
- vugh13
- vugs11
- whig11
- whin10
- whip12
- whit9
- whop12
- wigs9
- wing10
- wino8
- wins8
- wish9
- wisp10
- wist7
- with9
- wits7
- wogs9
- wons8
- wont8
- wops10
- wost7