vá a mamã ajuda
vá a mamã ajuda .
v a WORD_BOUNDARY ɐ WORD_BOUNDARY m ɐ̃ m ɐ̃ WORD_BOUNDARY ɐ ʒ u d̪ ɐ WORD_BOUNDARY
v á WORD_BOUNDARY a WORD_BOUNDARY m a m ã WORD_BOUNDARY a j u d a WORD_BOUNDARY . WORD_BOUNDARY