á precomposed character
á decomposed, single non-spacing combining character
ấ precomposed character
ấ decomposed, multiple non-spacing combining characters
கூ tamil, base + spacing & ligating combining character
கொ tamil, single spacing combining character surrounding base
கொ tamil, multiple spacing combining characters surrounding base
कि devanagari, spacing combining character preceding base
क्यी devanagari, conjunct+vowel (2 grapheme clusters)
க்கெ tamil, consonant cluster + vowel (should be separated)
ई devanagari, single character independent vowel
र्डू devanagari, conjunct with repha
ཀྐུ tibetan, subjoined consonant with vowel (both combining)
က္ကြ burmese, subjoined consonant with virama and encircling vowel
لا arabic, lam-alif (unbreakable) ligature