The spelling of the two-word phrase "full holes" can be broken down phonetically as /fʊl/ /həʊlz/. The first part, "full," is pronounced with a short "u" sound followed by an "L" sound. The second part, "holes," starts with a voiced "H" sound and then uses the long "o" sound followed by an "L" sound and ending with a "z" sound. This phrase can be used to describe something that is completely full or has no empty spaces.