bei der Heizung muß er sein
bei der heizung muß er sein .
b aɪ WORD_BOUNDARY d ɛ ɾ WORD_BOUNDARY h aɪ ts ʊ ŋ WORD_BOUNDARY m uː s WORD_BOUNDARY  ɛ ɾ WORD_BOUNDARY z aɪ n WORD_BOUNDARY
b e i WORD_BOUNDARY d e r WORD_BOUNDARY h e i z u n g WORD_BOUNDARY m u ß WORD_BOUNDARY e r WORD_BOUNDARY s e i n WORD_BOUNDARY