The provider agrees to comply with local, state, and federal laws, as well as rules, regulations, and statements of policy applicable to the Medicaid program, including the Medicaid Provider Handbooks issued by AHCA.
The answer is that there is no universally accepted sound that humans use to represent dog barks. Even in a single language there may be a number of different words used for a dog's bark, for example, in English we recognize woof-woof, arf-arf, ruff-ruff and bow-wow..
Dogs have much better hearing than humans, so they are probably hearing something that you are not. My dogs often growl at what appears to be nothing, until a few seconds later, I hear someone walking by the house, or a car passing.