ah_so am Geburtstag
ah so am geburtstag .
 ɑː WORD_BOUNDARY z oː WORD_BOUNDARY  a m WORD_BOUNDARY ɡ ə b ?? t s t ɑː k WORD_BOUNDARY
a h WORD_BOUNDARY s o WORD_BOUNDARY a m WORD_BOUNDARY g e b u r t s t a g WORD_BOUNDARY