4 letters
- mule9
- muse8
- mush10
- muss8
- must8
- mute8
- muts8
- ness5
- nest5
- nets5
- nuts6
- oles5
- oses4
- oust5
- outs5
- pehs9
- pelt8
- pest7
- pets7
- phut10
- plus9
- psst7
- pule9
- puls9
- push10
- puss8
- puts8
- resh6
- rest4
- rets4
- rhus7
- rues5
- rule6
- ruse5
- rush7
- rust5
- ruth7
- ruts5
- sale5
- sals5
- salt5
- sash6
- sate4
- saul6
- scut8
- seal5
- seas4
- seat4
- secs7
- sect7
- seel5
- sees4
- segs6
- seis4
- self8
- sell6
- sels5
- sent5
- sept7
- sers4
- seta4
- sets4
- sett4
- sews7
- sext11
- shat6
- shea6
- shed7
- shes6
- shew9
- shit6
- shoe6
- shot6
- shul8
- shun8
- shut7
- silt5
- site4
- sith6
- sits4
- slat5
- sled6
- slew8
- slit5
- sloe5
- slot5
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smut8
- sole5
- sols5
- soth6
- sots4
- soul6
- sous5
- spue8
- stem7
- step7
- stet4
- stew7
- stey6
- stub8
- stud6
- stum8
- stun6
- stye6
- subs8
- such10
- suds6
- sued6
- suer5
- sues5
- suet5
- sugh9
- suit5
- sulk10
- sulu7
- sums8
- suns6
- supe8
- sups8
- suqs14
- sure5
- suss5
- tael5
- tale5
- tass4
- taus5
- teal5
- teas4
- teds5
- teel5
- tees4
- tegs6
- tela5
- tele5
- tell6
- tels5
- tens5
- test4
- teth6
- tets4
- tews7
- thae6
- thee6
- them9
- then7
- thew9
- they8
- this6
- thou7
- thru7
- thud8
- thug9
- thus7
- ties4
- tile5
- tils5
- toes4
- tole5
- tolu6
- tosh6
- toss4
- true5
- tsks8
- tube8
- tubs8
- tugs7
- tuis5
- tule6
- tune6
- tuns6
- tups8
- tush7
- tusk9
- tuts5
- tyes6
- ughs9
- ukes9
- ulus7
- used6
- user5
- uses5
- utas5
- vest8
- vets8
- welt8
- west7
- wets7
- whet9
- wuss8
- yule8
- zest13