ippai denwa kakatte kimashita
ippai denwa kakatte kimashita .
i p p a i WORD_BOUNDARY d e n w a WORD_BOUNDARY k a k a t t e WORD_BOUNDARY k i m a ʃ i t a WORD_BOUNDARY
i p p a i WORD_BOUNDARY d e n w a WORD_BOUNDARY k a k a t t e WORD_BOUNDARY k i m a s h i t a WORD_BOUNDARY