That vertical-stacking combining pattern is similar to how Tibetan script actually works (on a smaller scale): https://en.wikipedia.org/wiki/Tibetan_script?use

That vertical-stacking combining pattern is similar to how Tibetan script actually works (on a smaller scale): https://en.wikipedia.org/wiki/Tibetan_script?useskin=vector#Consonant_clusters https://en.wikipedia.org/wiki/Tibetan_script?useskin=vector#...