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Greek alphabet letters & symbols with pronunciation - RapidTables.com
β - Wiktionary, the free dictionary
Greek alphabet - Wikipedia
Greek Alphabet | The Greek Alphabet, Greek Letter, Greek …
希腊字母和符号(α,β,γ,δ,ε,...) - RT
Beta - Wikipedia
Beta - Simple English Wikipedia, the free encyclopedia
Greek Alphabet: English Equivalents and Pronunciation
Greek Alphabet - World History Encyclopedia
Learn the Greek Alphabet: A Guide to Reading and Writing Greek