According to http://en.wikipedia.org/wiki/List_of_programming_languages http://en.wikipedia.org/wiki/List_of_programming_languages we're missing A, H, I, M, N,

According to http://en.wikipedia.org/wiki/List_of_programming_languages http://en.wikipedia.org/wiki/List_of_programming_languages we're missing A, H, I, M, N, O, P, and U-Z, so half the alphabet. However, this list is incomplete. H - http://dcoj.wmh3.com/cscos/h/ http://dcoj.wmh3.com/cscos/h/ M is sometimes used to refer to MUMPS (see http://en.wikipedia.org/wiki/MUMPS http://en.wikipedia.org/wiki/MUMPS and http://www.mumps.org/ http://www.mumps.org/ ). It was also a language at Microsoft, http://www.theregister.co.uk/2008/10/10/dial_m_for_microsoft http://www.theregister.co.uk/2008/10/10/dial_m_for_microsoft . N - http://link.springer.com/chapter/10.1007%2F978-3-642-76153-9_10 http://link.springer.com/chapter/10.1007%2F978-3-642-76153-9... Z - https://github.com/chrisdone/z https://github.com/chrisdone/z In other words, the answer to your question is either "yes" or "that's already happened."