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A heptagraph is a seven-letter sequence of letters that behaves as a unit and is not the sum of its parts. Heptagraphs are extremely rare. Morse code uses a heptagraph, , for the dollar sign. Most other fixed sequences of seven letters are composed of shorter multigraphs with a predictable result. The seven-letter German sequence , used to transliterate the Russian letter , as in (:bɔʁʃt͡ʃ) for Russian (:borɕː) "borscht", is a sequence of a trigraph (:ʃ) and a tetragraph (:t͡ʃ). Likewise, the Juu languages have been claimed to have a heptagraph , but this is also a sequence, of and . ==See also== *Multigraph (orthography) *Digraph (two letters, as or ) *Trigraph (three letters, as or ) *Tetragraph (four letters, as German ) *Pentagraph (five letters) *Hexagraph (six letters) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Heptagraph」の詳細全文を読む スポンサード リンク
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