five six seven eight
five six seven eight
det:num det:num det:num det:num
five six seven eight .
f aɪ v WORD_BOUNDARY s ɪ k s WORD_BOUNDARY s ɛ v ə n WORD_BOUNDARY eɪ t WORD_BOUNDARY
f i v e WORD_BOUNDARY s i x WORD_BOUNDARY s e v e n WORD_BOUNDARY e i g h t WORD_BOUNDARY