1. Katipunan Before the Revolution Prepared by: Ernest Nathan L. Nogales I-OPAL
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10. First Code of the Katipunan J L K K L J LL N M V N I O C P P Q E R R S S T S U X V M W W X U Y Y
11. Last code used during the Tejeros convention Spanish Alphabet Katipunan Alphabet A D B C C B D A E H F G G F H E I L J K K J L I LL Ñ M N N M Ñ LL O R P Q Q P R O S V T U U T W Z X Y Y X Z W