There is more than one way to construct plural forms.
Luxembourg financial funds code LVL 428 2 1993-03-05 2013-01-01 EUR LVR 428 2 1992-05-04 1993-03-05 LVL MGF 450 0 1963-07-01 2005-01-01 MGA MLF 466 1962 1984-01-01 XOF MRO 478 2 1973-06-29 2018-01-01 MRU MTL 470 2 1972-05-26 2006-01-01 EUR MTP 470.
In some cases, the third letter of the alpha code is not the initial letter of a currency unit name.
Retrieved 20 February 2017.