oops it fell down
oops it fall down
co pro:per v adv
oops it fell down.
uː p s WORD_BOUNDARY ɪ t WORD_BOUNDARY f ɛ l WORD_BOUNDARY d aʊ n WORD_BOUNDARY
o o p s WORD_BOUNDARY i t WORD_BOUNDARY f e l l WORD_BOUNDARY d o w n . WORD_BOUNDARY