probably three months old
probably three months old .
p ɹ ɑː b ə b l i WORD_BOUNDARY θ ɹ iː WORD_BOUNDARY m ʌ n θ s WORD_BOUNDARY oʊ l d WORD_BOUNDARY
p r o b a b l y WORD_BOUNDARY t h r e e WORD_BOUNDARY m o n t h s WORD_BOUNDARY o l d WORD_BOUNDARY