4 letters
- oink9
- okas8
- okes8
- olio5
- omit7
- oohs6
- oops7
- oots4
- orcs7
- oses4
- ossa4
- otic7
- oxim14
- pick14
- pics10
- piso7
- piss7
- pock14
- poco10
- pois7
- poms10
- psis7
- rick11
- rims7
- risk8
- rock11
- rocs7
- roms7
- rook8
- room7
- sack11
- sacs7
- saki8
- scam10
- scop10
- scot7
- scow10
- scum11
- secs7
- seis4
- semi7
- shim9
- shmo9
- shoo6
- sibs7
- sice7
- sick11
- sics7
- sike8
- silk9
- silo5
- sima7
- simp10
- sims7
- sink9
- sins5
- sips7
- sirs4
- sits4
- skas8
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- slim8
- smit7
- smog9
- soak8
- sobs7
- sock11
- sods5
- soil5
- soke8
- soli5
- solo5
- sols5
- soma7
- some7
- sons5
- sook8
- soon5
- soot4
- sops7
- sori4
- sots4
- souk9
- sous5
- sows7
- soys6
- spic10
- spik11
- sris4
- suck12
- sumo8
- sums8
- swim10
- tick11
- tics7
- toms7
- took8
- toom7
- toss4
- tsks8
- vims11
- wick14
- wiss7
- woks11
- woos7
- yock13
- yoks10
- zoic16
- zoom16
- zoos13