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Alphabetic systems are writing systems in which a limited set of graphic signs, called letters or graphemes, principally represents the individual speech sounds (phonemes) of a language. In a prototypical alphabet, separate symbols are used for both consonants and vowels, and written words are formed by arranging these symbols in sequence to represent the phonological structure of spoken utterances ^[1]. The relationship between letters and phonemes is systematic but need not be one-to-one: a single phoneme may be represented by more than one letter, a letter may have different phonetic values in different contexts, and spelling conventions may preserve morphological or historical information ^[2]. Alphabetic systems are distinguished from abjads, which primarily represent consonants, abugidas, in which consonant symbols incorporate vowel information through regular modification, syllabaries, which represent syllables, and logographic systems, whose signs primarily represent words or morphemes ^[1][2].