Module:Variations

local p = {}

function p.main(frame)
    local args = frame:getParent().args
    local output = {}
    
    -- Start table
    table.insert(output, '{| class="wikitable" style="margin: auto;"')
    
    -- First entry is always "Plain" (now supports multiple symbols)
    if args['1-symbol'] then
        -- Collect all symbols for entry 1
        local symbols = {args['1-symbol']}
        
        -- Additional symbols (b, c, d, ...)
        local letters = {'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'}
        for _, letter in ipairs(letters) do
            if args['1-symbol-' .. letter] then
                table.insert(symbols, args['1-symbol-' .. letter])
            else
                break
            end
        end
        
        -- Output rows for entry 1
        local numSymbols = #symbols
        for j, symbol in ipairs(symbols) do
            table.insert(output, '|-')
            table.insert(output, '| style="font-size: 25px;" | ' .. frame:expandTemplate{title='IPA', args={symbol}})
            
            -- Add "Plain" with rowspan on first symbol only
            if j == 1 then
                if numSymbols > 1 then
                    table.insert(output, '| rowspan="' .. numSymbols .. '" | Plain')
                else
                    table.insert(output, '| Plain')
                end
            end
        end
    end
    
    -- Process remaining numbered entries
    local i = 2
    while args[i .. '-symbol'] do
        local description = args[i .. '-description'] or ''
        
        -- Collect all symbols for this entry (symbol, symbol-b, symbol-c, etc.)
        local symbols = {}
        
        -- First symbol (no suffix)
        if args[i .. '-symbol'] then
            table.insert(symbols, args[i .. '-symbol'])
        end
        
        -- Additional symbols (b, c, d, ...)
        local letters = {'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'}
        for _, letter in ipairs(letters) do
            if args[i .. '-symbol-' .. letter] then
                table.insert(symbols, args[i .. '-symbol-' .. letter])
            else
                break
            end
        end
        
        -- Output rows
        local numSymbols = #symbols
        for j, symbol in ipairs(symbols) do
            table.insert(output, '|-')
            table.insert(output, '| style="font-size: 25px;" | ' .. frame:expandTemplate{title='IPA', args={symbol}})
            
            -- Add description with rowspan on first symbol only
            if j == 1 then
                if numSymbols > 1 then
                    table.insert(output, '| rowspan="' .. numSymbols .. '" | ' .. description)
                else
                    table.insert(output, '| ' .. description)
                end
            end
        end
        
        i = i + 1
    end
    
    -- Close table
    table.insert(output, '|}')
    
    return table.concat(output, '\n')
end

return p
Usage
