4 letters
- bint8
- bios7
- bird8
- birk11
- birl8
- birr7
- bise7
- bisk11
- bite7
- bits7
- bitt7
- blab11
- blae8
- blah10
- blam11
- blat8
- blaw11
- blet8
- blin9
- blip11
- blob11
- bloc11
- blot8
- blow11
- blur9
- boar7
- boas7
- boat7
- bobs10
- bods8
- body10
- bogs9
- bogy11
- boil8
- bola8
- bold9
- bole8
- boll9
- bolo8
- bolt8
- bond9
- bone8
- bong10
- bonk12
- bony10
- boon8
- boor7
- boos7
- boot7
- bops10
- bora7
- bore7
- born8
- bort7
- bosh9
- bosk11
- boss7
- bota7
- both9
- bots7
- bott7
- bout8
- bowl11
- bows10
- boxy16
- boyo9
- boys9
- brad8
- brae7
- brag9
- bran8
- bras7
- brat7
- braw10
- bray9
- bren8
- brie7
- brig9
- brim10
- brin8
- brio7
- bris7
- brit7
- broo7
- bros7
- brow10
- brrr7
- brut8
- buns9
- bunt9
- buoy10
- bura8
- burl9
- burn9
- burp11
- burr8
- burs8
- bury10
- bust8
- busy10
- buts8
- butt8
- buys10
- byes9
- byre9
- byrl10
- byte9
- cabs10
- cain8
- calo8
- cans8
- cant8
- capo10
- caps10
- carb10
- carl8
- carn8
- carp10
- carr7
- cars7
- cart7
- casa7
- cast7
- cats7
- cays9
- ciao7
- cion8
- cist7
- city9
- clan9
- clap11
- clay10
- clip11
- clit8
- clon9
- clop11
- clot8
- cloy10
- coal8
- coat7
- cobs10
- coil8
- coin8
- coir7
- cola8
- cols8
- colt8
- coly10
- coni8
- cons8
- cony10
- cops10
- copy12
- corn8
- cors7
- cory9
- cost7
- cosy9
- cots7
- coys9
- crab10
- crap10
- crib10
- cris7
- crop10
- cyan10
- cyst9
- dabs8
- dais5
- dals6
- daps8
- darb8
- darn6
- dart5
- data5
- dato5
- days7
- dial6
- dibs8
- dins6
- dint6
- diol6
- dips8
- dipt8
- dirl6
- dirt5
- dita5
- dits5
- doat5
- doby10
- doit5
- dols6
- dolt6
- dona6
- dons6
- dopa8
- dopy10
- dorp8
- dorr5
- dors5