chords_type = {
    '5': '5',
    '6': '6',
    '7': '7',
    '9': '9',
    '11': '11',
    '13': '13',
    '6/9': '69',
    '7b5': '7b5',
    '7b9': '7flat9',
    '7#9': '7sharp9',
    '7sus4': '7sus4',
    'add9': 'add9',
    '2': 'add9',
    'add2': 'add9',
    'aug7': 'aug7',
    ' augmented': '-augmented',
    'aug': '-augmented',
    'dim7': 'dim7',
    '°7': 'dim7',
    ' diminished': '-diminished',
    '°': '-diminished',
    'dim': '-diminished',
    'm11': 'm11',
    'min11': 'm11',
    'mi11': 'm11',
    '-11': 'm11',
    'm6': 'm6',
    'min6': 'm6',
    'mi6': 'm6',
    '-6': 'm6',
    'm7': 'm7',
    'min7': 'm7',
    'mi7': 'm7',
    '-7': 'm7',
    'm7b5': 'm7b5',
    'min7b5': 'm7b5',
    '-7b5': 'm7b5',
    'ø7': 'm7b5',
    'm9': 'm9',
    'min9': 'm9',
    'mi9': 'm9',
    '-9': 'm9',
    'madd9': 'madd9',
    'maj7': 'maj7',
    'Δ7': 'maj7',
    'maj9': 'maj9',
    'Δ9': 'Δ9',
    ' major': '-major',
    'maj': '-major',
    'Δ': '-major',
    '': '-major',
    'mmaj7': 'mmaj7',
    'minmaj7': 'mmaj7',
    ' minor': '-minor',
    'm': '-minor',
    'min': '-minor',
    'mi': '-minor',
    '-': '-minor',
    'sus2': 'sus2',
    'sus4': 'sus4'
}
