Suzuki, Hiroyuki; Nyima, Tashi. 'Bo skad, a newly recognised non-Tibetic variety spoken in mDzo sgang, TAR: A brief introduction to its sociolinguistic situation, sounds, and vocabulary. 2016. hh:ld:SuzukiNyima:Bo-Skad
Few details are given. "Prenasalisation (voiced)" - only on voiced plosives and affricates? (But there's an example of /ⁿtʰ/.) Preaspiration occurs, but on what?
Syllable structure is C(G)V, or (h)C(G)V if we assume preaspiration is clusterous. Which we may as well, since a complete inventory isn't given.