4 letters
- pals8
- pams10
- plum12
- plus9
- pula9
- puls9
- puma11
- rams7
- rums8
- rusk9
- sack11
- sail5
- sake8
- saki8
- sale5
- sall6
- salp8
- sals5
- salt5
- same7
- samp10
- sank9
- sark8
- saul6
- scam10
- scum11
- seal5
- seam7
- sham9
- shul8
- sial5
- silk9
- sima7
- skag10
- skas8
- skat8
- skim11
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slim8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- smug10
- smut8
- soak8
- sola5
- soma7
- souk9
- soul6
- spam10
- stum8
- suba8
- suck12
- sulk10
- sulu7
- sumo8
- sump11
- sums8
- sunk10
- sura5
- swam10
- swum11
- talk9
- tams7
- task8
- taus5
- tusk9
- ukes9
- ulan7
- ulna7
- ulus7
- ulva10
- umps11
- upas8
- ursa5
- utas5
- vaus9
- walk12
- wauk12
- waul9
- yaks10
- yams9
- yuks11