4 letters
- scud9
- scum11
- scup11
- scut8
- secs7
- sect7
- segs6
- seis4
- sent5
- sers4
- sets4
- shin7
- shit6
- shri6
- shun8
- shut7
- sibs7
- sice7
- sick11
- sics7
- sift7
- sigh8
- sign7
- silt5
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skin9
- skis8
- skit8
- slit5
- slug8
- slur6
- slut6
- smit7
- smug10
- smut8
- snag7
- snib8
- snip8
- snit5
- snog7
- snot5
- snub9
- snug8
- song7
- sons5
- sori4
- sorn5
- sort4
- sots4
- sour5
- sous5
- spic10
- spin8
- spit7
- spun9
- spur8
- sris4
- stag6
- star4
- stir4
- stub8
- stud6
- stum8
- stun6
- subs8
- such10
- suck12
- suds6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- swig9
- sync10
- tags6
- tain5
- tang7
- tans5
- tarn5
- tars4
- tass4
- taus5
- tegs6
- tens5
- tern5
- thin7
- thir6
- this6
- thru7
- thug9
- thus7
- tick11
- tics7
- tier4
- ties4
- tiki8
- tils5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- togs6
- tong7
- tons5
- torc7
- tori4
- torn5
- tors4
- toss4
- tour5
- trig6
- trim7
- trio4
- trip7
- true5
- trug7
- tsar4
- tsks8
- tubs8
- tuck12
- tugs7
- tuis5
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turd6
- turf8
- turk9
- turn6
- tush7
- tusk9
- tuts5
- twig9
- twin8
- tyin7
- ughs9
- unai6
- unci9
- unco9
- unit6
- unto6
- urbs8
- urds6
- urge7
- uric8
- urns6
- ursa5
- urus6
- user5
- uses5
- utas5
- vigs10
- vugs11
- wigs9
- wing10
- wins8
- wiss7
- wist7
- wits7
- writ7
- wuss8
- yins7
- yurt7
- zigs15
- zinc17
- zing16