pasti buka dibuka+bukain
pasti buka dibuka bukain .
p a s t i WORD_BOUNDARY b u k a WORD_BOUNDARY d i b u k a WORD_BOUNDARY b u k ai̯ n WORD_BOUNDARY
p a s t i WORD_BOUNDARY b u k a WORD_BOUNDARY d i b u k a WORD_BOUNDARY b u k a i n WORD_BOUNDARY