>>Yes, it depends on the one_letter name:
>>Im just run the code below to see that restricted letters
>>are:Aa,Bb,Cc,Dd,ee,Ff,Gg,Hh,Ii,Jj,Mm.
>I hope that you copied Garrett on this.

No need -- those are the 10 letter-named work areas, plus m.VarName.

Exactly what I would have expected to see...