a abrir a boca
a abrir a boca .
ɐ WORD_BOUNDARY ɐ b ʁ i ʁ WORD_BOUNDARY ɐ WORD_BOUNDARY b o k ɐ WORD_BOUNDARY
a WORD_BOUNDARY a b r i r WORD_BOUNDARY a WORD_BOUNDARY b o c a WORD_BOUNDARY . WORD_BOUNDARY