4 letters
- puss8
- puts8
- putt8
- quit14
- raft7
- rats4
- recs7
- refs7
- reft7
- reif7
- reis4
- rest4
- rets4
- rhus7
- rias4
- ribs7
- rice7
- rich9
- rick11
- rids5
- rife7
- riff10
- rifs7
- rift7
- rigs6
- rims7
- rins5
- riot4
- rips7
- rise4
- risk8
- rite4
- ritz13
- rocs7
- roti4
- rots4
- rout5
- rubs8
- ruck12
- rues5
- ruff11
- rugs7
- ruin6
- rums8
- runs6
- runt6
- ruse5
- rush7
- rusk9
- rust5
- ruth7
- ruts5
- sacs7
- sari4
- sati4
- scar7
- scat7
- scot7
- scry9
- scud9
- scum11
- scup11
- scut8
- secs7
- sect7
- seif7
- seis4
- serf7
- sers4
- sets4
- sett4
- shit6
- shri6
- shut7
- sibs7
- sice7
- sick11
- sics7
- sift7
- silt5
- sims7
- sins5
- sips7
- sire4
- sirs4
- site4
- sith6
- sits4
- skis8
- skit8
- slit5
- slur6
- slut6
- smit7
- smut8
- snit5
- soft7
- sori4
- sort4
- sots4
- sour5
- sous5
- spic10
- spit7
- spur8
- sris4
- star4
- stat4
- stet4
- stir4
- stub8
- stud6
- stum8
- stun6
- subs8
- such10
- suck12
- suds6
- suer5
- sues5
- suet5
- suit5
- sulu7
- sums8
- suns6
- sups8
- suqs14
- sura5
- surd6
- sure5
- surf8
- suss5
- tact7
- tars4
- tart4
- tass4
- tats4
- taus5
- taut5
- test4
- tets4
- thir6
- this6
- thru7
- thus7
- tick11
- tics7
- tier4
- ties4
- tiff10
- tiki8
- tils5
- tilt5
- tins5
- tint5
- tipi7
- tips7
- tire4
- tirl5
- tiro4
- titi4
- tits4
- toft7
- tofu8
- toit4
- torc7
- tori4
- tors4
- tort4
- toss4
- tost4
- tots4
- tour5
- tout5
- tref7
- tret4
- trig6
- trim7
- trio4
- trip7
- trot4
- true5
- trug7
- tsar4
- tsks8
- tubs8
- tuck12
- tufa8
- tuff11
- tuft8
- tugs7
- tuis5
- tuns6
- tups8
- turd6
- turf8
- turk9
- turn6
- tush7
- tusk9