4 letters
- kors8
- kris8
- kues9
- kune10
- kuru10
- leks9
- leku10
- lube9
- luce9
- luck13
- lues6
- lure6
- lurk10
- merk11
- muck15
- mure8
- murk12
- muse8
- musk12
- nebs8
- neck12
- neuk10
- nubs9
- nuke10
- obes7
- okes8
- orbs7
- orcs7
- ores4
- ours5
- peck14
- pecs10
- perk11
- pubs11
- puce11
- puck15
- puke12
- pure8
- purs8
- race7
- rack11
- rake8
- rase4
- rebs7
- reck11
- recs7
- reds5
- reek8
- rees4
- refs7
- regs6
- reis4
- rems7
- reps7
- resh6
- rest4
- rets4
- revs8
- rhus7
- ribs7
- rice7
- rick11
- rise4
- risk8
- robe7
- robs7
- rock11
- rocs7
- roes4
- rose4
- roue5
- rube8
- rubs8
- ruby10
- ruck12
- rude6
- rued6
- ruer5
- rues5
- rugs7
- rule6
- rums8
- rune6
- runs6
- ruse5
- rush7
- rusk9
- rust5
- ruts5
- ryes6
- ryke10
- sabe7
- sack11
- sake8
- sark8
- scab10
- scar7
- scry9
- scud9
- scum11
- scup11
- scut8
- sear4
- secs7
- sect7
- seek8
- seer4
- sera4
- sere4
- serf7
- sers4
- sice7
- sick11
- sike8
- sire4
- skee8
- skeg10
- skep11
- skew11
- skua9
- slub9
- slue6
- slur6
- snub9
- sock11
- soke8
- sorb7
- sore4
- souk9
- sour5
- spec10
- spue8
- spur8
- stub8
- suba8
- subs8
- such10
- suck12
- sued6
- suer5
- sues5
- suet5
- sulk10
- sunk10
- supe8
- sura5
- surd6
- sure5
- surf8
- syce9
- syke10
- trek8
- true5
- tube8
- tubs8
- tuck12
- turk9
- tusk9
- ukes9
- unbe9
- urbs8
- urds6
- urea5
- urge7
- uric8
- urns6
- ursa5
- urus6
- used6
- user5
- uses5
- verb11
- webs10
- yerk10
- yeuk11
- yuck14
- yuks11
- zebu17
- zeks17
- zerk17