o pesawat terbang ya
o pesawat terbang ya ?
o WORD_BOUNDARY p ə s a w a t WORD_BOUNDARY t ə r b a ŋ WORD_BOUNDARY j a WORD_BOUNDARY
o WORD_BOUNDARY p e s a w a t WORD_BOUNDARY t e r b a n g WORD_BOUNDARY y a WORD_BOUNDARY ? WORD_BOUNDARY