update confusables-source.txt for high-priority Tibetan

Author: josh-hadley

unicodetools/data/security/dev/data/source/confusables-source.txt

@@ -5570,3 +5570,7 @@ A7F1 ; 02E2  # ( ꟱ → ˢ ) MODIFIER LETTER CAPITAL S → MODIFIER LETTER SMAL
 2F9A4 ; 26D06  # ( 𦴆 → 𦰶 ) CJK UNIFIED IDEOGRAPH 2F9A4 → CJK UNIFIED IDEOGRAPH 26D06
 2F9CB ; 4695  # ( 䚕 → 𧢮 ) CJK UNIFIED IDEOGRAPH 2F9CB → CJK UNIFIED IDEOGRAPH 4695
 2F9D6 ; 25AD4  # ( 𥫔 → 贛 ) CJK UNIFIED IDEOGRAPH 2F9D6 → CJK UNIFIED IDEOGRAPH 25AD4
+
+# High priority confusables for Tibetan (PAG ref #402)
+0F7B ; 0F7A 0F7A  # (  ཻ → ེེ ) TIBETAN VOWEL SIGN EE → TIBETAN VOWEL SIGN E, TIBETAN VOWEL SIGN E
+0F7D ; 0F7C 0F7C  # (  ཽ → ོོ ) TIBETAN VOWEL SIGN OO → TIBETAN VOWEL SIGN O, TIBETAN VOWEL SIGN O