const uint16_t PROGMEM copy_combo[] = {KC_Z, KC_C, COMBO_END};
const uint16_t PROGMEM paste_combo[] = {KC_X, KC_V, COMBO_END};
const uint16_t PROGMEM copy_combo[] = {KC_Z, KC_C, COMBO_END};
const uint16_t PROGMEM paste_combo[] = {KC_X, KC_V, COMBO_END};