ja esta be ja esta be
ja esta be ja esta be .
ʑ a WORD_BOUNDARY ɛ s t ɐ WORD_BOUNDARY β ɛ WORD_BOUNDARY ʑ a WORD_BOUNDARY ɛ s t ɐ WORD_BOUNDARY β ɛ WORD_BOUNDARY
j a WORD_BOUNDARY e s t a WORD_BOUNDARY b e WORD_BOUNDARY j a WORD_BOUNDARY e s t a WORD_BOUNDARY b e WORD_BOUNDARY