da an der Heizung
da an der heizung .
d aː WORD_BOUNDARY  a n WORD_BOUNDARY d ɛ ɐ WORD_BOUNDARY h aɪ ts ʊ ŋ WORD_BOUNDARY
d a WORD_BOUNDARY a n WORD_BOUNDARY d e r WORD_BOUNDARY h e i z u n g WORD_BOUNDARY