pdB a Np

pdB a mdB | pdB a cdB | pdB a dadB | pdB a dB | pdB a ddB | pdB a fdB | pdB a GdB | pdB a hdB | pdB a kdB | pdB a MdB | pdB a μdB | pdB a ndB | pdB a PdB | pdB a TdB | pdB a Np | pdB a B