A A A A A A, B A, B A, B, C A, B, C A, B, C A, B, C A, B, C A, B, C A, B, C, D A, B, C, D A, B, C, D A, B, C, D A, B, C, D, E A, B, C, D, E A, B, C, D, E, G A, B, C, E A, B, C, E A, B, C, E A, B, C. E, G A, B, C, E, G A, B, C, F A, B, C, F A, B, C, F A, B, C, F A, B, C, F, G A, B, C, F, G A, B, C, F, G A, B, D A, B, D A, B, D A, B, D A, B, D A, B, D A, B, D, E A, B, D, E A, B, D, E A, B, D, E A, B, D, E, G A, B, D, E, G A, C A, C A, C A, C A, C, D A, C, D A, C, D A, C, D, E A, C, D, E A, C, D, E A, C, D, E, G A, C, D, E, G A, C, E A, C, E A, C, E A, C, E A, C, E A, C, E, G A, C, E, G A, C, E, G A, C, F A, C, F A, C, F A, C, F, G A, C, F, G B B B B,D B,D,E B,D,E B,D,E B,D,E,G B,C,D B,C,D B,C,D,E B,C,D,E B,C,F B,C,F,G B,C,F,G B,C,F,G C C C C, E C, E, G C, E, G C, F C, F C, F C, F, G D D D D D D D D, E D, E D, E D, E D, E D, E D, E, G D, E, G