Phonics is the system of associating letter symbols with speech sounds.  Phonetics is the science of speech. Phonemic awareness is the ability to notice, think about, and work with the individual sounds. A phonogram is a letter or combination of letters that represents a sound.  So far, the following phonograms and corresponding sounds have been introduced: a = /ă/, b=  /b/, f = /f/, m =  /m/, s =  /s/, t= /t/, h = /h/, j=  /j/, n = /n/, p =  /p/. It is possible that the student also learned that s = /z/ as in has and as.