sta tornando a casa
sta tornando a casa ?
s t ɐ WORD_BOUNDARY t o r n ɐ n d o WORD_BOUNDARY ɐ WORD_BOUNDARY k ɐ z ɐ WORD_BOUNDARY
s t a WORD_BOUNDARY t o r n a n d o WORD_BOUNDARY a WORD_BOUNDARY c a s a WORD_BOUNDARY ? WORD_BOUNDARY