ach_so nee okay
ach_so nee okay
on on on
ach so nee okay .
 a x WORD_BOUNDARY z oː WORD_BOUNDARY n eː WORD_BOUNDARY  oː k ɛɪ WORD_BOUNDARY
a c h WORD_BOUNDARY s o WORD_BOUNDARY n e e WORD_BOUNDARY o k a y WORD_BOUNDARY