5 letters
- blurs10
- burls10
- curfs12
- curls10
- farls9
- flour10
- flubs13
- flues10
- fluor10
- flush12
- fouls10
- fours9
- frugs11
- fuels10
- fulls11
- furls10
- fusel10
- fusil10
- gulfs12
- hurls9
- lours7
- luffs13
- lures7
- lurks11
- nurls8
- purls10
- rolfs9
- ruffs12
- rules7
- scurf12
- sluff13
- slurb10
- slurp10
- slurs7
- sulfa10
- sulfo10
- sural7
- surfs9
- surfy11
- surly9
- turfs9
4 letters
- arfs7
- blur9
- burl9
- burs8
- crus8
- curf11
- curl9
- curs8
- farl8
- feus8
- fils8
- firs7
- flub12
- flue9
- flus9
- flux16
- foul9
- four8
- frug10
- fubs11
- fuds9
- fuel9
- fugs10
- full10
- funs9
- furl9
- furs8
- fury10
- fuse8
- fuss8
- gulf11
- guls8
- hurl8
- lars5
- lour6
- lues6
- luff12
- lugs8
- lums9
- lure6
- lurk10
- lush8
- lust6
- luvs10
- nurl7
- ours5
- plus9
- puls9
- purl9
- purs8
- refs7
- rhus7
- rifs7
- rolf8
- rubs8
- rues5
- ruff11
- rugs7
- rule6
- ruly8
- rums8
- runs6
- ruse5
- rush7
- rusk9
- rust5
- ruts5
- saul6
- self8
- serf7
- shul8
- slub9
- slue6
- slug8
- slum9
- slur6
- slut6
- soul6
- sour5
- spur8
- suer5
- sulk10
- sulu7
- sura5
- surd6
- sure5
- surf8
- turf8
- ulus7
- urbs8
- urds6
- urns6
- ursa5
- urus6
- user5
3 letters
- als4
- arf6
- ars3
- bur7
- bus7
- cur7
- efs6
- elf7
- els4
- ers3
- far6
- fas6
- fer6
- feu7
- fil7
- fir6
- flu8
- fly9
- for6
- fou7
- fro6
- fry8
- fub10
- fud8
- fug9
- fun8
- fur7
- gul7
- ifs6
- jus13
- lar4
- las4
- leu5
- lis4
- lug7
- lum8
- luv9
- lux12
- mus7
- nus5
- ors3
- our4
- pul8
- pur7
- pus7
- ras3
- ref6
- res3
- rif6
- rub7
- rue4
- rug6
- rum7
- run5
- rut4
- sal4
- sau4
- sel4
- ser3
- sir3
- sly6
- sol4
- sou4
- sri3
- sub7
- sue4
- sum7
- sun5
- sup7
- suq13
- ulu6
- uns5
- ups7
- urb7
- urd5
- urn5
- use4
- uts4