'M'
'M6'
'M7m'
'M7M'
'Madd9'
'M9'
'M69'
'm'
'm6'
'm7m'
'm7M'
'madd9'
'm9'
'm69'
'sus2'
'sus26'
'sus27'
'sus27M'
'sus4'
'sus46'
'sus47'
'sus47M'
'dimb3'
'dim'
'dim7'
'b5'
'aug'
'aug7'
'p4'
'TT'
'p5'