Userscript which download suggested keywords according to your keywords array. It uses https://adwords.google.com/o/Targeting Usage: Open https://adwords.google.com/o/Targeting , run core.js script, and then run.js (first or second version)

core.js

var jq = document.createElement('script');jq.src = "https://ajax.googleapis.com/ajax/libs/jquery/1.6.3/jquery.min.js";document.getElementsByTagName('head')[0].appendChild(jq);

// Returns interval between next keywords suggestions download
// return value must be seconds (int)
// defaults: 15-30 seconds
var phraseInterval = function(){
    return ( Math.random + 1 ) * 15;
};

var suggestedKeywordsOffset = 0;

var processKeywordSuggest = function(phrase){
    $(".sNFB").val(phrase);
    $(".aw-native-save-button-element").click();

    setTimeout(function(){
        $(".gux-menu-button").parent().parent().parent().parent().parent().click();
        $(".sEQ").click();
        $(".aw-download-popup .goog-button-base-content").click();
    }, 2000 + 1000 * Math.random());

    return true;
}

var runKeywordsSuggest = function(){
    var captchaDisplay = $(".captcha-widget-container").css('display');

    if (captchaDisplay != 'none' || captchaDisplay == undefined || captchaDisplay == null){
        console.log("Waiting due captcha.");
        setTimeout(runKeywordsSuggest, 2000);
        return;
    }
    else
    
    console.log("Keyword: " + suggestedKeywords[suggestedKeywordsOffset] + " (" + suggestedKeywordsOffset + ")");

    processKeywordSuggest(suggestedKeywords[suggestedKeywordsOffset]);
    suggestedKeywordsOffset++;
    

    if ( suggestedKeywordsOffset < suggestedKeywords.length ){
        setTimeout(runKeywordsSuggest, phraseInterval() );
    }
}

run1.js

var suggestedKeywords = ['programming', 'javascript'];

runKeywordsSuggest();

run2.js

var suggestedKeywords = [];

$.ajax({
    url: 'http://server/your_list.txt',
    type: 'GET',
    crossDomain: true,
    success: function(input){
        suggestKeywords = input.split("\n");

        runKeywordsSuggest();
    }
});