Era el canvi de classe
era el canvi de classe .
ɛ ɾ ɐ WORD_BOUNDARY ə l WORD_BOUNDARY k a m β i WORD_BOUNDARY ð ə WORD_BOUNDARY k l a s ə WORD_BOUNDARY
e r a WORD_BOUNDARY e l WORD_BOUNDARY c a n v i WORD_BOUNDARY d e WORD_BOUNDARY c l a s s e WORD_BOUNDARY