4 letters
- brin8
- brio7
- bris7
- brit7
- bros7
- brut8
- bubs11
- buds9
- bugs10
- buhl11
- buhr10
- bulb12
- bulk13
- bull10
- bumf14
- bump14
- bums11
- bund10
- bung11
- bunk13
- bunn10
- buns9
- bunt9
- bura8
- burd9
- burg10
- burl9
- burn9
- burp11
- burr8
- burs8
- bury10
- bush10
- busk12
- buss8
- bust8
- busy10
- buts8
- buys10
- byrl10
- cabs10
- cain8
- calm11
- cams10
- cans8
- carb10
- carl8
- carn8
- cars7
- casa7
- caul9
- clam11
- clan9
- club12
- crab10
- cram10
- crib10
- cris7
- crus8
- cubs11
- culm12
- curb11
- curl9
- curn9
- curs8
- dabs8
- dais5
- dals6
- damn9
- dams8
- darb8
- darn6
- daub9
- dial6
- dibs8
- dims8
- dins6
- dirl6
- drab8
- dram8
- drib8
- drub9
- drum9
- dual7
- dubs9
- duma9
- dumb12
- duns7
- dura6
- durn7
- earl5
- earn5
- ears4
- elan6
- elms8
- emir7
- emus8
- eras4
- erns5
- fail8
- fain8
- fair7
- fans8
- farl8
- farm10
- faun9
- fiar7
- fibs10
- fila8
- film11
- fils8
- fins8
- firm10
- firn8
- firs7
- flab11
- flam11
- flan9
- flub12
- flus9
- fubs11
- funs9
- furl9
- furs8
- gabs9
- gain7
- gala7
- gals7
- gama9
- gamb12
- gams9
- garb9
- gars6
- gaum10
- gaun8
- gaur7
- gibs9
- gins7
- girl7
- girn7
- glia7
- glib10
- glim10
- glum11
- gnar7
- gnus8
- grab9
- gram9
- gran7
- grim9
- grin7
- grub10
- grum10
- guan8
- guar7
- guls8
- gums10
- guns8
- guru8
- haar6
- habu10
- hail7
- hair6
- halm10
- hams9
- harl7
- harm9
- haul8
- hila7
- hili7
- hins7
- hisn7
- hubs10
- hula8
- hums10
- huns8
- hurl8
- iamb10
- ibis7
- iglu8
- ilea5
- ilia5
- ilka9
- ilks9
- ills6
- imam10
- imid8
- impi10
- imps10
- inby10
- inia5
- inks9
- inly8
- inns6
- inro5
- inti5
- ions5
- ires4
- irid5
- iris4