4 letters
- oafs7
- oaks8
- oars4
- oast4
- oath6
- oats4
- ocas7
- ohia6
- ohms9
- okas8
- okay10
- okeh10
- okes8
- okra8
- oohs6
- opah9
- orca7
- orcs7
- osar4
- ossa4
- ouch10
- pack14
- pacs10
- pash9
- pock14
- posh9
- rack11
- rash6
- rhos6
- rock11
- rocs7
- sack11
- sacs7
- sago6
- sake8
- saki8
- sank9
- sark8
- sash6
- scab10
- scad8
- scag9
- scam10
- scan8
- scar7
- scat7
- scop10
- scot7
- scow10
- shad7
- shag8
- shah8
- sham9
- shat6
- shaw9
- shay8
- shea6
- shmo9
- shod7
- shoe6
- shog8
- shoo6
- shop9
- shot6
- show9
- sick11
- skag10
- skas8
- skat8
- skua9
- soak8
- soap7
- soar4
- sock11
- soda5
- sofa7
- soja13
- soke8
- sola5
- soma7
- sook8
- soph9
- sora4
- soth6
- souk9
- soya6
- stoa4
- such10
- suck12
- tach9
- tack11
- taco7
- taos4
- task8
- tosh6
- vacs11
- wack14
- wash9
- whoa9
- woks11
- yack13
- yaks10
- yock13
- yoks10