You cannot do so. According to the Maryland Department of Revenue, if you take the federal standard deduction you cannot itemize deductions on your Maryland return. Please see, "Should I take the standard deduction or itemize" in the Maryland link below for more information about this rule.
https://taxes.marylandtaxes.gov/Individual_Taxes/General_Information/What_s_New_for_the_Tax_Filing_S...
