he fell down huh
he fall down huh
pro:sub v adv co
he fell down huh ?
h iː WORD_BOUNDARY f ɛ l WORD_BOUNDARY d aʊ n WORD_BOUNDARY h ʌ WORD_BOUNDARY
h e WORD_BOUNDARY f e l l WORD_BOUNDARY d o w n WORD_BOUNDARY h u h WORD_BOUNDARY