In Spanish alphabet pronunciation in level 1 module 1, Ja-ja is listed and it seems to be expecting the pronunciation of the actual dash. It has recognized my pronunciation of both jotas multiple times but after maybe 45 minutes still refuses to 100% it regardless of how long or short a pause I insert.
September 30, 2018
December 29, 2018
My experience has been that it is difficult to get 100% with words that only have two letters.