4 letters
- outs5
- pacs10
- pash9
- posh9
- push10
- rash6
- rhos6
- rhus7
- rocs7
- rush7
- sack11
- sacs7
- sago6
- sash6
- saul6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scop10
- scot7
- scow10
- scud9
- scum11
- scup11
- scut8
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- shul8
- shun8
- shut7
- skua9
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soja13
- sola5
- soma7
- soph9
- sora4
- soth6
- souk9
- soul6
- soup8
- sour5
- sous5
- soya6
- stoa4
- suba8
- such10
- suck12
- sugh9
- sumo8
- sura5
- tach9
- taco7
- taos4
- taus5
- thou7
- thus7
- tosh6
- tush7
- udos6
- ughs9
- unco9
- upas8
- ursa5
- utas5
- vacs11
- vaus9
- wash9
- whoa9
- yuca10
- yuch12