4 letters
- shim9
- shit6
- shri6
- sibs7
- sice7
- sick11
- sics7
- sift7
- silt5
- sima7
- simp10
- sims7
- sins5
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skim11
- skis8
- skit8
- slim8
- slit5
- smit7
- smut8
- snit5
- sori4
- sort4
- sots4
- spic10
- spit7
- sris4
- star4
- stem7
- stir4
- stum8
- suit5
- sums8
- swim10
- tams7
- tars4
- tass4
- term7
- thir6
- this6
- tick11
- tics7
- tier4
- ties4
- tiki8
- tils5
- time7
- tins5
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- toms7
- torc7
- tori4
- tors4
- toss4
- tram7
- trig6
- trim7
- trio4
- trip7
- tsar4
- tsks8
- tuis5
- uric8
- vims11
- wiss7
- wist7
- wits7
- writ7
- ziti13
- zits13