4 letters
- pash9
- plus9
- pula9
- puls9
- push10
- rash6
- rhus7
- rush7
- sack11
- sacs7
- sail5
- sale5
- sall6
- salp8
- sals5
- salt5
- sash6
- saul6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scud9
- scum11
- scup11
- scut8
- seal5
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shul8
- shun8
- shut7
- sial5
- skua9
- slab8
- slag7
- slam8
- slap8
- slat5
- slaw8
- slay7
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- sola5
- soul6
- suba8
- such10
- suck12
- sugh9
- sulk10
- sulu7
- sura5
- tach9
- talc8
- taus5
- thus7
- tush7
- ughs9
- ulan7
- ulna7
- ulus7
- ulva10
- upas8
- ursa5
- utas5
- vacs11
- vaus9
- wash9
- waul9
- yuca10
- yuch12