-6x H 3x R -2x C
-1x E 5x M -3x T
-9x A 2x O -3x G
-4x H C R -3x E T M 10x A O G
Sol: A = 1; C = 3; E = 5; G = 7; H = 8; M = 13; O = 15; R = 18; T = 20