vá a João ajuda
vá a joão ajuda .
v a WORD_BOUNDARY ɐ WORD_BOUNDARY ʒ u ɐ̃u̜ WORD_BOUNDARY ɐ ʒ u d̪ ɐ WORD_BOUNDARY
v á WORD_BOUNDARY a WORD_BOUNDARY j o ã o WORD_BOUNDARY a j u d a WORD_BOUNDARY . WORD_BOUNDARY