4 letters
- muse8
- mush10
- musk12
- muss8
- must8
- muts8
- ohms9
- palm11
- pals8
- pams10
- pash9
- plum12
- plus9
- pula9
- puls9
- puma11
- push10
- rams7
- rash6
- rhus7
- rums8
- rush7
- sail5
- sale5
- sall6
- salp8
- sals5
- salt5
- same7
- samp10
- sash6
- saul6
- scam10
- scum11
- seal5
- seam7
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shim9
- shmo9
- shul8
- shun8
- shut7
- sial5
- sima7
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slim8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- smut8
- sola5
- soma7
- soul6
- spam10
- stum8
- suba8
- such10
- sugh9
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sura5
- swam10
- swum11
- tams7
- taus5
- thus7
- tush7
- ughs9
- ulan7
- ulna7
- ulus7
- ulva10
- umps11
- upas8
- ursa5
- utas5
- vaus9
- wash9
- waul9
- wham12
- yams9