com um ar preocupado
com um ar preocupado .
k o m WORD_BOUNDARY ũ WORD_BOUNDARY a ʁ WORD_BOUNDARY p ʁ i u k u p a d̪ u WORD_BOUNDARY
c o m WORD_BOUNDARY u m WORD_BOUNDARY a r WORD_BOUNDARY p r e o c u p a d o WORD_BOUNDARY . WORD_BOUNDARY