4 letters
- rock11
- rocs7
- roti4
- rots4
- ruck12
- rush7
- rusk9
- rust5
- ruth7
- ruts5
- sack11
- saki8
- sari4
- sark8
- sati4
- scar7
- scat7
- scot7
- scry9
- scut8
- sect7
- shat6
- shim9
- shin7
- ship9
- shit6
- shiv10
- shot6
- shri6
- shut7
- sice7
- sick11
- sics7
- sift7
- sigh8
- sike8
- silk9
- silt5
- sinh7
- sink9
- sire4
- sirs4
- site4
- sith6
- sits4
- skat8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slit5
- smit7
- snit5
- sock11
- sori4
- sort4
- soth6
- spic10
- spik11
- spit7
- sris4
- star4
- stir4
- such10
- suck12
- suit5
- tach9
- tack11
- tahr6
- tars4
- task8
- thin7
- thio6
- thir6
- this6
- thro6
- thru7
- thus7
- tick11
- tics7
- tier4
- ties4
- tike8
- tiki8
- tils5
- tins5
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- torc7
- tori4
- tors4
- tosh6
- trek8
- trig6
- trim7
- trio4
- trip7
- tsar4
- tsks8
- tuck12
- tuis5
- turk9
- tush7
- tusk9
- uric8
- whir9
- whit9
- wich12
- wick14
- wish9
- wist7
- with9
- wits7
- writ7
- ziti13
- zits13