5 letters
- blurs10
- brush11
- brusk13
- buhrs11
- bumps15
- buras9
- burbs12
- burds10
- burgs11
- burls10
- burns10
- burps12
- burrs9
- bursa9
- burse9
- burst9
- curbs12
- drubs10
- grubs11
- pours9
- praus9
- pubes12
- pubis12
- puris9
- purls10
- purrs9
- purse9
- pursy11
- rebus9
- roups9
- rubes9
- rubus10
- rumps12
- scrub12
- shrub11
- sirup9
- slurb10
- slurp10
- sprue9
- sprug11
- spurn10
- spurs9
- spurt9
- suber9
- super9
- supra9
- syrup11
- turps9
- usurp10
4 letters
- arbs7
- baps10
- bars7
- blur9
- bops10
- bras7
- bris7
- bros7
- brut8
- bubs11
- buds9
- bugs10
- buhr10
- bump14
- bums11
- buns9
- bura8
- burd9
- burg10
- burl9
- burn9
- burp11
- burr8
- burs8
- bury10
- bush10
- busk12
- buss8
- bust8
- busy10
- buts8
- buys10
- crus8
- cubs11
- cups11
- curb11
- curs8
- cusp11
- drub9
- dubs9
- dups9
- fubs11
- furs8
- grub10
- hubs10
- nubs9
- opus8
- orbs7
- ours5
- pars7
- plus9
- pour8
- prau8
- pros7
- pubs11
- puds9
- pugs10
- puls9
- puns9
- pups11
- pure8
- puri8
- purl9
- purr8
- purs8
- push10
- puss8
- puts8
- raps7
- rasp7
- rebs7
- reps7
- rhus7
- ribs7
- rips7
- robs7
- roup8
- rube8
- rubs8
- ruby10
- rues5
- rugs7
- rump11
- rums8
- runs6
- ruse5
- rush7
- rusk9
- rust5
- ruts5
- scup11
- slub9
- slur6
- snub9
- sorb7
- soup8
- sour5
- spar7
- spry9
- spud9
- spue8
- spun9
- spur8
- stub8
- suba8
- subs8
- suer5
- sump11
- supe8
- sups8
- sura5
- surd6
- sure5
- surf8
- tubs8
- tups8
- umps11
- upas8
- upby13
- urbs8
- urds6
- urns6
- ursa5
- urus6
- user5
- yups10
3 letters
- abs6
- arb6
- ars3
- asp6
- bap9
- bar6
- bas6
- bis6
- bop9
- bos6
- bra6
- bro6
- brr6
- bub10
- bud8
- bug9
- bum10
- bun8
- bur7
- bus7
- but7
- buy9
- bys8
- cub10
- cup10
- cur7
- dub8
- dup8
- ers3
- fub10
- fur7
- hub9
- hup9
- jus13
- mus7
- nub8
- nus5
- ops6
- orb6
- ors3
- our4
- par6
- pas6
- per6
- pes6
- pis6
- piu7
- pro6
- pry8
- psi6
- pub10
- pud8
- pug9
- pul8
- pun8
- pup10
- pur7
- pus7
- put7
- rap6
- ras3
- reb6
- rep6
- res3
- rib6
- rip6
- rob6
- rub7
- rue4
- rug6
- rum7
- run5
- rut4
- sab6
- sap6
- sau4
- ser3
- sib6
- sip6
- sir3
- sob6
- sop6
- sou4
- spa6
- spy8
- sri3
- sub7
- sue4
- sum7
- sun5
- sup7
- suq13
- tub7
- tup7
- ump10
- uns5
- upo7
- ups7
- urb7
- urd5
- urn5
- use4
- uts4
- yup9