he's at grandma's house
he at mother house
pro:sub prep adj n
he's at grandma's house .
h iː z WORD_BOUNDARY æ t WORD_BOUNDARY ɡ ɹ æ n d m ɑː z WORD_BOUNDARY h aʊ s WORD_BOUNDARY
h e ' s WORD_BOUNDARY a t WORD_BOUNDARY g r a n d m a ' s WORD_BOUNDARY h o u s e WORD_BOUNDARY