4 letter words B:
byte brim burn bunk bulb boot boom boon bore boar boat bowl bone book bout buoy buck burp blob blot blip blab blue born boss brow beam bead beer bear best bark beau base balk bulk...
Here are some possible words: baal baas baba babe babu baby bach back bade bads bags baht bail bait bake bald bale Bali balk ball balm band bane bang bank bans barb bard bare barf bark barn bars base...
Here are some that come to mind . back bade bags bait bale ball balk band bans bane bard bare bask base bate bats bars bawl beat bede bear bean bead beak beam beat begs bays bail baby bake balm beef...