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local data = {}

local U = mw.ustring.char

local anusvAra = U(0x11001)
local visarga = U(0x11002)
local virAma = U(0x11046)
local consonants = "𑀓𑀔𑀕𑀖𑀗𑀘𑀙𑀚𑀛𑀜𑀝𑀞𑀟𑀠𑀡𑀢𑀣𑀤𑀥𑀦𑀧𑀨𑀩𑀪𑀫𑀬𑀭𑀮𑀯𑀰𑀱𑀲𑀳𑀴𑀵𑀶𑀷"
local consonant = "[" .. consonants .. "]"

local acute = U(0x301)		-- combining acute

data["psu"] = {
	[1] = {
		["ai"] = "𑀐",
		["au"] = "𑀒",
	},
	[2] = {
		["ḹ"] = "𑀎",
		["ṃ"] = anusvAra,
		["ḥ"] = visarga,
		["kh"] = "𑀔",
		["gh"] = "𑀖",
		["ṅ"] = "𑀗",
		["ch"] = "𑀙",
		["jh"] = "𑀛",
		["ñ"] = "𑀜",
		["ṭh"] = "𑀞",
		["ḍh"] = "𑀠",
		["ṇ"] = "𑀡",
		["th"] = "𑀣",
		["dh"] = "𑀥",
		["n"] = "𑀦",
		["ph"] = "𑀨",
		["bh"] = "𑀪",
		["m"] = "𑀫",
		["y"] = "𑀬",
		["r"] = "𑀭",
		["l"] = "𑀮",
		["v"] = "𑀯",
		["ś"] = "𑀰",
		["ṣ"] = "𑀱",
		["s"] = "𑀲",
	},
	[3] = {
		["a"] = "𑀅",
        ["ā"] = "𑀆",
		["i"] = "𑀇",
        ["ī"] = "𑀈",
		["u"] = "𑀉",
		["ū"] = "𑀊",
		["e"] = "𑀏",
		["o"] = "𑀑",
		["ṝ"] = "𑀌",
		["ḷ"] = "𑀍",
		["k"] = "𑀓",
		["g"] = "𑀕",
		["c"] = "𑀘",
		["j"] = "𑀚",
		["ṭ"] = "𑀝",
		["ḍ"] = "𑀟",
		["t"] = "𑀢",
		["d"] = "𑀤",
		["n"] = "𑀦",
		["p"] = "𑀧",
		["b"] = "𑀩",
		["h"] = "𑀳",
	},
	[4] = {
		['̈'] = "",
		["ṛ"] = "𑀋",
		["[%-/]"] = "",		-- a-i, a-u for अइ, अउ
		["(" .. consonant .. ")" .. "(" .. consonant .. ")"] = "%1" .. virAma .. "%2",
		["(" .. consonant .. ")$"] = "%1" .. virAma,
		[acute] = "",
	},
	[5] = { -- this rule must be applied twice because a consonant may only be in one caoture per operation, so "CCC" will only recognize the first two consonants
		["(" .. consonant .. ")" .. "(" .. consonant .. ")"] = "%1" .. virAma .. "%2",
		["i"] = "𑀇",
		["u"] = "𑀉",
	},
	[6] = {	-- This table is filled below
	},
}

local vowels = {
	["𑀅"] = "",
	["𑀇"] = U(0x1103A),
	["𑀉"] = U(0x1103C),
	["𑀋"] = U(0x1103E),
	["𑀍"] = U(0x11040),
	["𑀏"] = U(0x11042),
	["𑀑"] = U(0x11044),
	["𑀆"] = U(0x11038),
	["𑀈"] = U(0x1103B),
	["𑀊"] = U(0x1103D),
	["𑀌"] = U(0x1103F),
	["𑀎"] = U(0x11041),
	["𑀐"] = U(0x11043),
	["𑀒"] = U(0x11045),
}

for independentForm, diacriticalForm in pairs(vowels) do
	data["psu"][6]["(" .. consonant .. ")" .. independentForm] = "%1" .. diacriticalForm
end

-- [[w:Harvard-Kyoto]] to [[w:International Alphabet of Sanskrit Transliteration]]
data["psu-tr"] = {
	[1] = {
		["A"] = "ā",
		["I"] = "ī",
		["U"] = "ū",
		["J"] = "ñ",
		["T"] = "ṭ",
		["D"] = "ḍ",
		["N"] = "ṇ",
		["G"] = "ṅ",
		["z"] = "ś",
		["S"] = "ṣ",
		["M"] = "ṃ",
		["H"] = "ḥ",
		["lRR"] = "ḹ",
		["/"] = acute,
	},
	[2] = {
		["lR"] = "ḷ",
		["RR"] = "ṝ",
	},
	[3] = {
		["R"] = "ṛ",
	},
}

return data