Runup is completed, contact ground control for taxi to runway 12

Copy and read back clearance from ground to taxi to the assigned runway

245CG, taxi to runway 12 via H, P, T.
245CG, taxi to runway 12 via, H, T. 
245CG, taxi to runway 12, via H, S, T.

Next, after taxiing to the assigned runway, holding short runway 12, ready for departure,  contact Opa-Locka tower