alveolar consonant approximant consonant avesta avestan alphabet back vowel bactrian language bakhtiari language bartangi language bashkardi language brahmana brahmi central vowel close vowel dental consonant dialects of fars eastern iranian languages ebrahim poordavood extinct language fricative consonant front vowel gathas gilaki language glottal consonant gorani gorani language gujarati language gujarati script hazaragi india indo-european languages indo-iranian languages iran iranian languages khotanese language khotanian khwarezmian language kurdish language kurmanji labial consonant laki language language death language family lateral consonant mazandarani language median language mid vowel middle persian morpheme munji language nasal consonant nasal vowel old persian language open vowel ossetic language palatal consonant parthian language pashto language pazend persian language sangsari language sanskrit sarikoli language scythian languages shughni language sogdian language southern kurdish tajik language talysh language trill consonant unicode vanji language vedic sanskrit velar consonant vendidad visperad wakhi language western iranian languages writing system yaghnobi language yasht yasna yazgulyam language yidgha language zoroaster zoroastrianism