Greek alphabet glottal ("heth") was borrowed in two different functions by different dialects of Greek: as a letter for /h/ (Η, heta) by those dialects that had such a sound, and as an additional vowel letter for the long (Η, eta) by those dialects that lacked the consonant. Eventually, a seventh vowel letter for the long (Ω, omega) was introduced. Greek also introduced three new consonant letters for its aspirated plosive sounds and consonant clusters: Φ ("phi") for , Χ ("chi") for and Ψ ("psi") for . In western Greek variants, Χ was instead used for and Ψ for . The origin
Spelling alphabet names used in lieu of alphabet letters for the purpose of spelling out words. It is used by the Greek armed and emergency services. Malay and related languages (Indonesian etc.) represent letter "L" with "London", since the word "lima" also means "five" in these languages. The Russian spelling alphabet is a spelling alphabet for the Russian version of the Cyrillic alphabet. In Spanish the word "ñoño" (, 'dull') is used for ñ. The PGP word list, the Bubble Babble wordlist used by ssh-keygen, and the S/KEY dictionary, are spelling alphabets for public key fingerprints (or other binary data) – a