nu backa_r vi den
nu backa r vi den .
n ʉ WORD_BOUNDARY b a kː a WORD_BOUNDARY ɛ r WORD_BOUNDARY v iː WORD_BOUNDARY d ɛ n WORD_BOUNDARY
n u WORD_BOUNDARY b a c k a WORD_BOUNDARY r WORD_BOUNDARY v i WORD_BOUNDARY d e n WORD_BOUNDARY