def wordlist2cognates(wordlist, source, expert='expert', ref='cogid'):
    """Turn a wordlist into a cognate set list, using the cldf parameters."""
    for k in wordlist:
        yield dict(
            Form_ID=wordlist[k, 'lid'],
            ID=k,
            Form=wordlist[k, 'ipa'],
            Cognateset_ID='{0}-{1}'.format(
                slug(wordlist[k, 'concept']), wordlist[k, ref]),
            Cognate_Detection_Method=expert,
            Source=source)