ada nggak Opi perahu karet
ada nggak opi perahu karet ?
a d a WORD_BOUNDARY ŋ ɡ a k WORD_BOUNDARY o p i WORD_BOUNDARY p ə r a h u WORD_BOUNDARY k a r ə t WORD_BOUNDARY
a d a WORD_BOUNDARY n g g a k WORD_BOUNDARY o p i WORD_BOUNDARY p e r a h u WORD_BOUNDARY k a r e t WORD_BOUNDARY ? WORD_BOUNDARY