These should be edited by default:
(Main)
Project
File
MediaWiki
Template
Help
Category
উইকিশৈশব (only on bnwikibooks)
বিষয়
রন্ধনপ্রণালী

These should never be edited:
Module
Translation

The MW Action API should be used to get the namespace's name from its id.
This is blocked on adding code to fix all types of errors that the bot should fix.