alvar abre la boca
alvar abre la boca .
ɐ l β a WORD_BOUNDARY a β ɾ ə WORD_BOUNDARY l ɐ WORD_BOUNDARY β o k ɐ WORD_BOUNDARY
a l v a r WORD_BOUNDARY a b r e WORD_BOUNDARY l a WORD_BOUNDARY b o c a WORD_BOUNDARY