C. N. G. F.-N. F. G. E. I. K. M.

C. N. G. F.-N. F. G. E. I. K. M. appears to be a sequence of initials or abbreviations, potentially representing organizations, concepts, or names. Without additional context, it's difficult to determine their specific meaning. If these initials correspond to a particular field or subject, please provide more details for an accurate explanation. As it stands, they look like a series of initials that may denote a sequence or a coded message, requiring further context to interpret meaningfully.