4 letters
- bine8
- bins8
- bint8
- bios7
- bird8
- birk11
- birl8
- birr7
- bise7
- bisk11
- bite7
- bits7
- bize16
- blab11
- blae8
- blah10
- blam11
- blat8
- blaw11
- bleb11
- bled9
- blet8
- blew11
- blin9
- blip11
- blub12
- blue9
- blur9
- boar7
- boas7
- boff13
- boil8
- bola8
- bole8
- bone8
- bora7
- bore7
- born8
- brad8
- brae7
- brag9
- bran8
- bras7
- brat7
- braw10
- bray9
- bred8
- bree7
- bren8
- brew10
- brie7
- brig9
- brim10
- brin8
- brio7
- bris7
- brit7
- bros7
- brut8
- bubs11
- buds9
- buff14
- bugs10
- buhl11
- buhr10
- bulb12
- bulk13
- bull10
- bumf14
- bums11
- bund10
- bung11
- bunk13
- bunn10
- buns9
- bunt9
- bura8
- burd9
- burg10
- burl9
- burn9
- burp11
- burr8
- burs8
- bury10
- bush10
- busk12
- buss8
- bust8
- busy10
- bute8
- buts8
- buys10
- byes9
- byre9
- byrl10
- cabs10
- cafe10
- caff13
- cain8
- calf11
- cane8
- cans8
- carb10
- care7
- carl8
- carn8
- cars7
- case7
- caul9
- cees7
- ceil8
- cels8
- cere7
- cine8
- cire7
- clan9
- clef11
- club12
- clue9
- crab10
- crib10
- cris7
- crus8
- cube11
- cubs11
- cues8
- cuff14
- cuif11
- curb11
- cure8
- curf11
- curl9
- curn9
- curs8
- dabs8
- daff11
- dais5
- dale6
- dals6
- darb8
- dare5
- darn6
- daub9
- deaf8
- deal6
- dean6
- dear5
- debs8
- deer5
- dees5
- defi8
- deil6
- dele6
- delf9
- deli6
- dels6
- dene6
- deni6
- dens6
- dere5
- dial6
- dibs8
- diel6
- dies5
- dine6
- dins6
- dire5
- dirl6
- drab8
- dree5
- drib8
- drub9
- dual7
- dubs9
- duel7
- dues6
- duff12
- dune7
- duns7
- dura6
- dure6
- durn7
- earl5
- earn5
- ears4
- ease4
- east4
- easy6
- eats4
- eaux12
- eave8
- ebbs10
- ebon8
- ecru8
- ecus8
- eels5
- eely7
- eery6
- effs10