4 letters
- pane8
- pang10
- peag9
- pean8
- puna9
- pung11
- quag16
- rage6
- rang7
- rube8
- ruga7
- rune6
- rung8
- sabe7
- sage6
- sane5
- sang7
- snag7
- snub9
- snug8
- suba8
- sung8
- tabu8
- tang7
- tuba8
- tube8
- tuna6
- tune6
- tung8
- ulan7
- ulna7
- unai6
- unau7
- unbe9
- unde7
- urea5
- urge7
- uvea9
- vane9
- vang11
- vena9
- vugg13
- wage9
- wane8
- wean8
- yang9
- yean7
- yegg10
- yuan8
- yuga9
- zebu17