A composite masonry block having a front surface and {HEAD ~ a back surface} which are adjoined by {TAIL ~ first and second side surfaces}, as well as a top surface and a bottom surface each lying adjacent the front, back, and first and second side surfaces 
adjoined by
A composite masonry block having a front surface and { HEAD ~ a back surface } which are adjoined by { TAIL ~ first and second side surfaces } , as well as a top surface and a bottom surface each lying adjacent the front , back , and first and second side surfaces
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH