4 letters
- shun8
- shut7
- sift7
- sign7
- silt5
- sine5
- sing7
- sinh7
- sink9
- sins5
- sire4
- sirs4
- site4
- sith6
- sits4
- skin9
- skit8
- slit5
- slur6
- slut6
- smit7
- smut8
- snib8
- snip8
- snit5
- snot5
- snub9
- snug8
- sori4
- sorn5
- sort4
- sour5
- spin8
- spit7
- spun9
- spur8
- sris4
- star4
- stat4
- stet4
- stir4
- stub8
- stud6
- stum8
- stun6
- suer5
- suet5
- suit5
- sung8
- sunk10
- sunn7
- suns6
- sura5
- surd6
- sure5
- surf8
- tain5
- tans5
- tarn5
- tars4
- tart4
- tats4
- taus5
- taut5
- tens5
- tent5
- tern5
- test4
- tets4
- thin7
- thir6
- this6
- thru7
- thus7
- tics7
- tier4
- ties4
- tils5
- tilt5
- tine5
- ting7
- tins5
- tint5
- tiny7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- toit4
- tons5
- tori4
- torn5
- tors4
- tort4
- tost4
- tots4
- tour5
- tout5
- tret4
- trig6
- trim7
- trio4
- trip7
- trot4
- true5
- trug7
- tsar4
- tubs8
- tuft8
- tugs7
- tuis5
- tuna6
- tune6
- tung8
- tuns6
- tups8
- turd6
- turf8
- turk9
- turn6
- tush7
- tusk9
- tuts5
- tutu6
- twin8
- twit7
- tyin7
- unai6
- unci9
- unit6
- unto6
- urbs8
- urds6
- uric8
- urns6
- ursa5
- urus6
- user5
- utas5
- wins8
- wist7
- wits7
- writ7
- yins7
- yurt7
- zins14
- zits13