5 letters
- roues6
- rouse6
- rubes9
- ruble10
- ruder7
- ruers6
- ruffe12
- ruffs12
- ruled8
- ruler7
- rules7
- runes7
- rural7
- ruses6
- safer8
- scuff15
- scurf12
- selfs9
- seral6
- serer5
- serfs8
- serif8
- serry7
- serum9
- shelf11
- sieur6
- slier6
- slued8
- slues7
- sluff13
- slurb10
- slurp10
- slurs7
- slyer8
- snuff13
- sorel6
- sorer5
- sprue9
- stuff12
- suber9
- sucre9
- suers6
- sulfa10
- sulfo10
- super9
- sural7
- surer6
- surfs9
- surfy11
- surge8
- surly9
- surra6
- teffs11
- truer6
- trues6
- tuffs12
- tules7
- turfs9
- ulcer10
- urare6
- urase6
- ureal7
- ureas6
- urger8
- urges8
- ursae6
- users6
- usher8
- xerus13
- yules9