be sy 'n 'o fo
be sy 'n 'o fo ?
b eː WORD_BOUNDARY s ø WORD_BOUNDARY ɛ n WORD_BOUNDARY  oː WORD_BOUNDARY v oː WORD_BOUNDARY
b e WORD_BOUNDARY s y WORD_BOUNDARY ' n WORD_BOUNDARY ' o WORD_BOUNDARY f o WORD_BOUNDARY