How can you determine the correct orientation of an Urbit sigil? I assume (hope) it's determinable; is there an easy way for a human to do so without using a computer?

@mr_archenemy @ngvrnd @MorlockP @urbit
For that matter, is there any way at all to *read* them, i.e. to convert sigil->name or sigil->integer? So far all I've found is a javascript library for *generating* them. Google doesn't know of any sort of visual dictionary enumerating the elements and mapping them back.
Some of the phoneme symbols are NOT orientable, e.g. bin, zod, sun, mas, tul, rib. Some of them are only partially orientable, e.g. sit, nyd, fet, tyv.

That means that the sigil for binzod-sunmas is indistinguishable from zodmas-binsun if you don't know which way is up.
Even if a sigil were composed entirely of orientable phonemes, if it's not possible for a human to look at an unfamiliar phoneme and /know/ which way is up, that impedes recognizing a sigil, or confirming that two sigils are the same.

That's poor human factor design.
Speaking of poor human factor design, twitter can't tell me whether @urbit is still tagged into this thread (the serious one, not morlock's joking one). I don't mean to be a pest. I am curious about these sigil issues, and would welcome any insight or answers you have.
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