Mysterious marks or codes in French glosses resource

Question

When I turn on French glosses for the Source  Language tool in Paratext, I see some codes like *o* or *j*. What do these mean? Resource GlossFR, and it is up to date.

Example 1:

Example 2:

Answer 1

I checked the GlossFR resource and see that those values are in the glosses. There isn't any documentation in the resource to explain what they mean.

The marks don't seem to correspond to anything in the English gloss.

Answer 2

For what it is worth, these only occur on the glosses in the Greek text:

There are 9467: TOTAL that occur in the following forms.

49: *b*
62: *l*
75: *g*
76: *d*
77: *z*
101: *e*
102: *c*
113: *n*
134: *x*
151: *q*
154: *α*
164: *h*
178: *r*
186: *i*
191: *k*
220: *f*
227: *y*
320: *v*
333: *t*
432: *s*
439: *w*
611: *j*
612: *m*
1029: *u*
1077: *p*
2354: *o*