4 letters
- snib8
- snit5
- snub9
- sobs7
- sots4
- sous5
- spic10
- spit7
- sris4
- stab7
- stir4
- stob7
- stub8
- stud6
- stum8
- stun6
- suba8
- subs8
- such10
- suck12
- suds6
- sues5
- suet5
- suit5
- sums8
- suns6
- sups8
- suqs14
- suss5
- tabs7
- tabu8
- tass4
- taus5
- this6
- thus7
- tick11
- tics7
- ties4
- tiki8
- tils5
- tins5
- tipi7
- tips7
- titi4
- tits4
- toss4
- tsks8
- tuba8
- tube8
- tubs8
- tuck12
- tugs7
- tuis5
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- unci9
- unit6
- urbs8
- uric8
- uses5
- utas5
- wiss7
- wist7
- wits7
- wuss8
- ziti13
- zits13