Namkung, Ju. Phonological Inventories of Tibeto-Burman Languages. 1996. hh:hld:Namkung:Tibeto-Burman
/pɟ pɟʰ/ have been replaced with /pc pcʰ/.
"The voiced aspirated series is pronounced either as plain voiced with a low tone or as voiceless aspirates with a low tone depending on the dialect" - so these may not truly exist. Voiced aspirate fricatives represent voiced or voiceless fricatives depending on dialect, with low tone in any case.