Found 8 chord chart(s) for 666688 in Standard Tuning (E, A, D, G, B, E).
ChartInversionPositionAvg PitchOpennessDifficulty
666688no
445546yes
645544no
866686yes
8(10)8899yes
9(10)8898yes
8(11)8889yes
9(11)8888yes