Mama ni denwa shita no
mama ni denwa shita no ?
m a m a WORD_BOUNDARY n i WORD_BOUNDARY d e n w a WORD_BOUNDARY ʃ i t a WORD_BOUNDARY n o WORD_BOUNDARY
m a m a WORD_BOUNDARY n i WORD_BOUNDARY d e n w a WORD_BOUNDARY s h i t a WORD_BOUNDARY n o WORD_BOUNDARY