4 letters
- nits5
- noma8
- noms8
- nota5
- nous6
- nubs9
- numb12
- nuns7
- nuts6
- oast4
- oats4
- ocas7
- omit7
- onus6
- otic7
- oust5
- outs5
- pacs10
- pact10
- pain8
- pams10
- pans8
- pant8
- past7
- pats7
- pian8
- pias7
- pica10
- pics10
- pima10
- pina8
- pins8
- pint8
- pita7
- pits7
- puma11
- puna9
- puns9
- punt9
- puts8
- qats13
- quai14
- quin15
- quit14
- rain5
- rami7
- rams7
- rani5
- rant5
- rats4
- rias4
- rims7
- rins5
- ruin6
- rums8
- runs6
- runt6
- rust5
- ruts5
- sack11
- sacs7
- sadi5
- said5
- sail5
- sain5
- saki8
- salt5
- same7
- samp10
- sand6
- sane5
- sang7
- sank9
- sans5
- sari4
- sate4
- sati4
- saul6
- sawn8
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scot7
- scud9
- scum11
- scup11
- scut8
- seam7
- seat4
- sect7
- semi7
- sent5
- seta4
- sham9
- shat6
- shim9
- shin7
- shit6
- shun8
- shut7
- sial5
- sice7
- sick11
- sics7
- sift7
- sign7
- silt5
- sima7
- simp10
- sims7
- sine5
- sing7
- sinh7
- sink9
- sins5
- site4
- sith6
- sits4
- skat8
- skim11
- skin9
- skit8
- skua9
- slam8
- slat5
- slim8
- slit5
- slum9
- slut6
- smit7
- smug10
- smut8
- snag7
- snap8
- snaw8
- snib8
- snip8
- snit5
- snot5
- snub9
- snug8
- soma7
- spam10
- span8
- spat7
- spic10
- spin8
- spit7
- spun9
- stab7
- stag6
- star4
- stat4
- staw7
- stay6
- stem7
- stir4
- stoa4
- stub8
- stud6
- stum8
- stun6
- suba8
- such10
- suck12
- suet5
- suit5
- sumo8
- sump11
- sums8
- sung8
- sunk10
- sunn7
- suns6
- sura5
- swam10
- swan8
- swat7
- swim10
- swum11
- sync10
- tabs7
- tabu8
- tace7
- tach9
- tack11
- taco7
- tact7
- tads5
- tags6
- tail5
- tain5
- talc8
- tali5
- tame7
- tamp10