·    There is a boulder variant and a narrow-rectangular (“reduced”) variant, but the latter is just a compressed form of the former (rather than omitting some part of it).

·    The syllabogram me is very similar to the logogram AAT as both are iconographically derived from the drawing of a penis. There is perhaps a tendency for me to be very slightly more “abstract” (and more “rectangular”) and AAT to be more “representational” (and more “square”/boulder-outline).