your mother's tired
your mother tire
det:poss adj part
your mother's tired .
j ʊ ɹ WORD_BOUNDARY m ʌ ð ɚ z WORD_BOUNDARY t aɪ ɚ d WORD_BOUNDARY
y o u r WORD_BOUNDARY m o t h e r ' s WORD_BOUNDARY t i r e d WORD_BOUNDARY