coba coba sek sek
coba coba sek sek .
t̠ʃ o b a WORD_BOUNDARY t̠ʃ o b a WORD_BOUNDARY s ɛ k WORD_BOUNDARY s ɛ k WORD_BOUNDARY
c o b a WORD_BOUNDARY c o b a WORD_BOUNDARY s e k WORD_BOUNDARY s e k WORD_BOUNDARY