5 letters
- prier8
- prune10
- purer9
- purge11
- purin10
- quern16
- quire15
- range8
- recur9
- refer8
- refit8
- refix15
- refry10
- regna8
- reifs8
- reify10
- reign8
- reink10
- reins6
- renig8
- renin7
- repin9
- reran6
- rerig7
- rerun7
- resin6
- rewin9
- ricer8
- ricin9
- rider6
- ridge8
- rifer8
- rifle9
- rigid8
- rigor7
- rimer8
- rings8
- rinse6
- ripen9
- riper8
- risen6
- riser5
- riven10
- river9
- roger7
- rogue8
- rouen7
- rouge8
- ruder7
- ruers6
- ruffe12
- rugae8
- ruing9
- ruins7
- ruler7
- rumen10
- runes7
- rungs9
- runic10
- rutin7
- segni8
- sengi8
- serif8
- serin6
- sieur6
- singe8
- siren6
- suing9
- surer6
- surge8
- tiger7
- tinge8
- trier5
- trine6
- truer6
- tuner7
- under8
- unfed11
- unfit10
- unfix17
- unify12
- unite7
- unpeg12
- unrig9
- unrip10
- untie7
- uraei6
- urare6
- urari6
- ureic9
- urged9
- urger8
- urges8
- urine7
- using9
- uteri6
- wirer8
- wrier8
- wring11
- wrung12