return {
["aa"] = {"Afar"},
["ab"] = {"Abkhazian"},
["ae"] = {"Avestan"},
["af"] = {"Afrikaans"},
["ak"] = {"Akan"},
["am"] = {"Amharic"},
["an"] = {"Aragonese"},
["ar"] = {"Arabic"},
["as"] = {"Assamese"},
["av"] = {"Avaric"},
["ay"] = {"Aymara"},
["az"] = {"Azerbaijani"},
["ba"] = {"Bashkir"},
["be"] = {"Belarusian"},
["bg"] = {"Bulgarian"},
["bh"] = {"Bihari languages"},
["bi"] = {"Bislama"},
["bm"] = {"Bambara"},
["bn"] = {"Bengali"},
["bo"] = {"Tibetan"},
["br"] = {"Breton"},
["bs"] = {"Bosnian"},
["ca"] = {"Catalan", "Valencian"},
["ce"] = {"Chechen"},
["ch"] = {"Chamorro"},
["co"] = {"Corsican"},
["cr"] = {"Cree"},
["cs"] = {"Czech"},
["cu"] = {"Church Slavic", "Old Slavonic", "Church Slavonic", "Old Bulgarian", "Old Church Slavonic"},
["cv"] = {"Chuvash"},
["cy"] = {"Welsh"},
["da"] = {"Danish"},
["de"] = {"German"},
["dv"] = {"Divehi", "Dhivehi", "Maldivian"},
["dz"] = {"Dzongkha"},
["ee"] = {"Ewe"},
["el"] = {"Greek, Modern (1453-)"},
["en"] = {"English"},
["eo"] = {"Esperanto"},
["es"] = {"Spanish", "Castilian"},
["et"] = {"Estonian"},
["eu"] = {"Basque"},
["fa"] = {"Persian"},
["ff"] = {"Fulah"},
["fi"] = {"Finnish"},
["fj"] = {"Fijian"},
["fo"] = {"Faroese"},
["fr"] = {"French"},
["fy"] = {"Western Frisian"},
["ga"] = {"Irish"},
["gd"] = {"Gaelic", "Scottish Gaelic"},
["gl"] = {"Galician"},
["gn"] = {"Guarani"},
["gu"] = {"Gujarati"},
["gv"] = {"Manx"},
["ha"] = {"Hausa"},
["he"] = {"Hebrew"},
["hi"] = {"Hindi"},
["ho"] = {"Hiri Motu"},
["hr"] = {"Croatian"},
["ht"] = {"Haitian", "Haitian Creole"},
["hu"] = {"Hungarian"},
["hy"] = {"Armenian"},
["hz"] = {"Herero"},
["ia"] = {"Interlingua (International Auxiliary Language Association)"},
["id"] = {"Indonesian"},
["ie"] = {"Interlingue", "Occidental"},
["ig"] = {"Igbo"},
["ii"] = {"Sichuan Yi", "Nuosu"},
["ik"] = {"Inupiaq"},
["io"] = {"Ido"},
["is"] = {"Icelandic"},
["it"] = {"Italian"},
["iu"] = {"Inuktitut"},
["ja"] = {"Japanese"},
["jv"] = {"Javanese"},
["ka"] = {"Georgian"},
["kg"] = {"Kongo"},
["ki"] = {"Kikuyu", "Gikuyu"},
["kj"] = {"Kuanyama", "Kwanyama"},
["kk"] = {"Kazakh"},
["kl"] = {"Kalaallisut", "Greenlandic"},
["km"] = {"Central Khmer"},
["kn"] = {"Kannada"},
["ko"] = {"Korean"},
["kr"] = {"Kanuri"},
["ks"] = {"Kashmiri"},
["ku"] = {"Kurdish"},
["kv"] = {"Komi"},
["kw"] = {"Cornish"},
["ky"] = {"Kirghiz", "Kyrgyz"},
["la"] = {"Latin"},
["lb"] = {"Luxembourgish", "Letzeburgesch"},
["lg"] = {"Ganda"},
["li"] = {"Limburgan", "Limburger", "Limburgish"},
["ln"] = {"Lingala"},
["lo"] = {"Lao"},
["lt"] = {"Lithuanian"},
["lu"] = {"Luba-Katanga"},
["lv"] = {"Latvian"},
["mg"] = {"Malagasy"},
["mh"] = {"Marshallese"},
["mi"] = {"Maori"},
["mk"] = {"Macedonian"},
["ml"] = {"Malayalam"},
["mn"] = {"Mongolian"},
["mr"] = {"Marathi"},
["ms"] = {"Malay"},
["mt"] = {"Maltese"},
["my"] = {"Burmese"},
["na"] = {"Nauru"},
["nb"] = {"Bokmål, Norwegian", "Norwegian Bokmål"},
["nd"] = {"Ndebele, North", "North Ndebele"},
["ne"] = {"Nepali"},
["ng"] = {"Ndonga"},
["nl"] = {"Dutch", "Flemish"},
["nn"] = {"Norwegian Nynorsk", "Nynorsk, Norwegian"},
["no"] = {"Norwegian"},
["nr"] = {"Ndebele, South", "South Ndebele"},
["nv"] = {"Navajo", "Navaho"},
["ny"] = {"Chichewa", "Chewa", "Nyanja"},
["oc"] = {"Occitan (post 1500)"},
["oj"] = {"Ojibwa"},
["om"] = {"Oromo"},
["or"] = {"Oriya"},
["os"] = {"Ossetian", "Ossetic"},
["pa"] = {"Panjabi", "Punjabi"},
["pi"] = {"Pali"},
["pl"] = {"Polish"},
["ps"] = {"Pushto", "Pashto"},
["pt"] = {"Portuguese"},
["qu"] = {"Quechua"},
["rm"] = {"Romansh"},
["rn"] = {"Rundi"},
["ro"] = {"Romanian", "Moldavian", "Moldovan"},
["ru"] = {"Russian"},
["rw"] = {"Kinyarwanda"},
["sa"] = {"Sanskrit"},
["sc"] = {"Sardinian"},
["sd"] = {"Sindhi"},
["se"] = {"Northern Sami"},
["sg"] = {"Sango"},
["si"] = {"Sinhala", "Sinhalese"},
["sk"] = {"Slovak"},
["sl"] = {"Slovenian"},
["sm"] = {"Samoan"},
["sn"] = {"Shona"},
["so"] = {"Somali"},
["sq"] = {"Albanian"},
["sr"] = {"Serbian"},
["ss"] = {"Swati"},
["st"] = {"Sotho, Southern"},
["su"] = {"Sundanese"},
["sv"] = {"Swedish"},
["sw"] = {"Swahili"},
["ta"] = {"Tamil"},
["te"] = {"Telugu"},
["tg"] = {"Tajik"},
["th"] = {"Thai"},
["ti"] = {"Tigrinya"},
["tk"] = {"Turkmen"},
["tl"] = {"Tagalog"},
["tn"] = {"Tswana"},
["to"] = {"Tonga (Tonga Islands)"},
["tr"] = {"Turkish"},
["ts"] = {"Tsonga"},
["tt"] = {"Tatar"},
["tw"] = {"Twi"},
["ty"] = {"Tahitian"},
["ug"] = {"Uighur", "Uyghur"},
["uk"] = {"Ukrainian"},
["ur"] = {"Urdu"},
["uz"] = {"Uzbek"},
["ve"] = {"Venda"},
["vi"] = {"Vietnamese"},
["vo"] = {"Volapük"},
["wa"] = {"Walloon"},
["wo"] = {"Wolof"},
["xh"] = {"Xhosa"},
["yi"] = {"Yiddish"},
["yo"] = {"Yoruba"},
["za"] = {"Zhuang", "Chuang"},
["zh"] = {"Chinese"},
["zu"] = {"Zulu"},
}