HI, I have found one method is listed on the help thing in MS Office and I've printed it out for myself. But it's not for the faint hearted. If you do a Ctrl accent desired plus the letter you want it on, see if it 'takes'.
Thus, ctrl, grave accent, up on your top left pinkie, then the e for example, see if it works.
It isn't working on this screen though.
For a word doc it might do though.
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I was born under a wandering star.