Phonologically, Egyptian contrasted labial, alveolar, palatal, velar, uvular, pharyngeal, and glottal consonants. The letter K usually represents the voiceless velar plosive. The International Phonetic Alphabet uses for the voiceless velar plosive. Hindko contrasts stop consonants at the labial, alveolar, retroflex, palatal and velar places of articulation. It has retained the Old Norse dental, velar and labial voiced fricatives. In classical times, Greeks pronounced this as an aspirated voiceless velar plosive . Two notable variants occur additionally&colon; one sibilant and the other velar or uvular. In these circumstances, is pronounced as a velar fricative. The Quenya consonant system has five places of articulation&colon; labial, dental, palatal, velar, and glottal. The literature also describes a contrast between velar and uvular rear articulations for some languages. Several Khoisan languages have limited numbers or distributions of pulmonic velar consonants. The bilabial and alveolar geminates are generally longer than velar ones. There is a parallel problem with transcribing the voiced velar approximant. Original short usually merges with except in the vicinity of a labial or velar consonant. The velar aspiration is also found on a labialized velar (orthographic ).