5 letters
- prune10
- puled11
- puler10
- pules10
- pulls11
- pulse10
- punto10
- puree9
- purer9
- purge11
- purin10
- purls10
- purse9
- puton10
- pylon12
- quell17
- quern16
- rebop11
- recon9
- redon7
- renal7
- reoil6
- repel9
- repin9
- reply11
- repos8
- repot8
- repro8
- rerun7
- rewon9
- rille7
- ripen9
- roble9
- rogue8
- roles6
- rolls7
- roped9
- roper8
- ropes8
- ropey10
- roque15
- rouen7
- roues6
- rouge8
- round8
- roups9
- roupy11
- rouse6
- route6
- roven10
- rowel9
- rowen9
- ruble10
- ruled8
- ruler7
- rules7
- rumen10
- runes7
- rupee9
- senor6
- slope9
- slurp10
- snell8
- snore6
- sorel6
- spell10
- spore8
- sprue9
- spurn10
- super9
- tenor6
- toner6
- toper8
- troll7
- trone6
- trope8
- trull8
- tulle8
- tuner7
- ulcer10
- ulnae8
- ulnar8
- ulpan11
- uncle11
- under8
- unled9
- unlet8
- unpeg12
- unpen11
- unrip10
- upend11
- upper12
- ureal7
- uredo7
- urine7
- yourn9
- yupon12
- zoner15