5 letters
- arcus9
- blurs10
- brush11
- brusk13
- bucks16
- buhrs11
- buras9
- burbs12
- burds10
- burgs11
- burls10
- burns10
- burps12
- burrs9
- bursa9
- burse9
- burst9
- carbs11
- chubs14
- clubs13
- crabs11
- cribs11
- cruds10
- crumb15
- cruse9
- crush11
- crust9
- cuber12
- cubes12
- curbs12
- curds10
- cures9
- curfs12
- curls10
- curns10
- currs9
- curse9
- curst9
- drubs10
- ecrus9
- grubs11
- rebus9
- rubes9
- rubus10
- rucks13
- scaur9
- scour9
- scrub12
- scrum12
- scuba12
- scurf12
- shrub11
- slurb10
- suber9
- sucre9
4 letters
- arbs7
- arcs7
- bars7
- blur9
- bras7
- bris7
- bros7
- brut8
- bubs11
- buck15
- buds9
- bugs10
- buhr10
- bums11
- buns9
- bura8
- burd9
- burg10
- burl9
- burn9
- burp11
- burr8
- burs8
- bury10
- bush10
- busk12
- buss8
- bust8
- busy10
- buts8
- buys10
- cabs10
- carb10
- cars7
- chub13
- club12
- cobs10
- cors7
- crab10
- crib10
- cris7
- crud9
- crus8
- crux15
- cube11
- cubs11
- cuds9
- cues8
- cups11
- curb11
- curd9
- cure8
- curf11
- curl9
- curn9
- curr8
- curs8
- curt8
- cusk12
- cusp11
- cuss8
- cuts8
- drub9
- dubs9
- ecru8
- ecus8
- fubs11
- furs8
- grub10
- hubs10
- nubs9
- orbs7
- orcs7
- ours5
- pubs11
- purs8
- rebs7
- recs7
- rhus7
- ribs7
- robs7
- rocs7
- rube8
- rubs8
- ruby10
- ruck12
- rues5
- rugs7
- rums8
- runs6
- ruse5
- rush7
- rusk9
- rust5
- ruts5
- scab10
- scar7
- scry9
- scud9
- scum11
- scup11
- scut8
- slub9
- slur6
- snub9
- sorb7
- sour5
- spur8
- stub8
- suba8
- subs8
- such10
- suck12
- suer5
- sura5
- surd6
- sure5
- surf8
- tubs8
- urbs8
- urds6
- uric8
- urns6
- ursa5
- urus6
- user5
3 letters
- abs6
- arb6
- arc6
- ars3
- bar6
- bas6
- bis6
- bos6
- bra6
- bro6
- brr6
- bub10
- bud8
- bug9
- bum10
- bun8
- bur7
- bus7
- but7
- buy9
- bys8
- cab9
- car6
- cis6
- cob9
- cor6
- cos6
- cry8
- cub10
- cud8
- cue7
- cum10
- cup10
- cur7
- cut7
- dub8
- ecu7
- ers3
- fub10
- fur7
- hub9
- jus13
- mus7
- nub8
- nus5
- orb6
- orc6
- ors3
- our4
- pub10
- pur7
- pus7
- ras3
- reb6
- rec6
- res3
- rib6
- rob6
- roc6
- rub7
- rue4
- rug6
- rum7
- run5
- rut4
- sab6
- sac6
- sau4
- sec6
- ser3
- sib6
- sic6
- sir3
- sob6
- sou4
- sri3
- sub7
- sue4
- sum7
- sun5
- sup7
- suq13
- tub7
- uns5
- ups7
- urb7
- urd5
- urn5
- use4
- uts4