Consonants, vowels (both independent and as diacritic), numerals, special symbols, and a list of the most common consonant ligatures, based on Jan Gonda's "A concise elementary grammar of the Sanskrit language".
Feedback on the course is welcome at https://community.memrise.com/t/course-forum-sanskrit-devanagari-by-hrothberht/16838 . (See also there for an explanation on why items have become unlearned on 2017-09-12 and a possible fix.)
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