My apologies: WordPress prematurely published the draft of “Brothers from the same mothers: the Lanna and Burmese scripts.” I meant to publish this as a separate post because I realized my original post was too long.
Below is a more detailed commentary on the letters and characters found in the Lanna and Burmese alphabets, as well as an analysis of unique Lanna letters, which transcribe native Tai vocabulary (i.e., multiple tones, unique consonants like ‘f’ not found in Indic scripts, etc.).