o ada pesawat terbang
o ada pesawat terbang .
o WORD_BOUNDARY  a d a WORD_BOUNDARY p ə s a w a t WORD_BOUNDARY t ɛ r b a ŋ WORD_BOUNDARY
o WORD_BOUNDARY a d a WORD_BOUNDARY p e s a w a t WORD_BOUNDARY t e r b a n g WORD_BOUNDARY