2
general::
noun VERB + INITIAL have The two authors have the same initials. | be/become known by She's always been known by her initials. | use | bear, carry A stone over the door bears the initials ‘R.P.’, which stand for ‘Ralph Piggot’. | carve, embroider, engrave (sth with), mark sth with, monogram sth with, put, sign, stamp (sth with), write He carved his girlfriend's initials in the rock. Now that she was managing director she could put the initials MD after her name. INITIAL + VERB stand for sth PREP. ~ for When writing, if you use initials for a long name, make sure you spell out the name at least once.
Oxford Collocations Dictionary