5 letters
- puler10
- pules10
- pulis10
- pulse10
- punas10
- puree9
- purin10
- puris9
- purls10
- purse9
- rails6
- rains6
- raise5
- rales6
- ranee6
- ranis6
- rapes8
- reals6
- reaps8
- rebel9
- rebus9
- reels6
- reins6
- renal7
- repel9
- repin9
- resin6
- reuse6
- rials6
- ribes8
- riels6
- riles6
- rinse6
- ripen9
- ripes8
- risen6
- rubes9
- ruble10
- ruins7
- rules7
- runes7
- rupee9
- saber8
- sabin9
- sabir8
- sable9
- sabre8
- salep9
- saner6
- saree5
- sarin6
- seine6
- sepal9
- sepia8
- serai5
- seral6
- serin6
- sieur6
- siree5
- siren6
- sirup9
- slain7
- sleep9
- slier6
- slipe9
- slurb10
- slurp10
- snail7
- snare6
- snarl7
- sneap9
- sneer6
- snipe9
- spail9
- spale9
- spare8
- spean9
- spear8
- speel9
- speer8
- speil9
- speir8
- spiel9
- spier8
- spile9
- spine9
- spire8
- spree8
- sprue9
- spurn10
- suber9
- super9
- supra9
- sural7
- ulans8
- ulnae8
- ulnar8
- ulnas8
- ulpan11
- unais7
- unbar10
- unrip10
- uraei6
- urase6
- urban10
- urbia9
- ureal7
- ureas6
- urial7
- urine7
- ursae6
- usnea7