$$GHGGHHH$$
$G^{3}H^{4}$
$$G^{2}HGHHH$$
$$G^{3}HHHH$$
$$G^{3}H^{2}HH$$
$$G^{3}H^{3}H$$
$$G^{3}H^{4}$$
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$3G^{2}H^{4}$