mach mal ba ba bab
mach mal ba ba bab .
m a x WORD_BOUNDARY m aː l WORD_BOUNDARY b aː WORD_BOUNDARY b aː WORD_BOUNDARY b aː p WORD_BOUNDARY
m a c h WORD_BOUNDARY m a l WORD_BOUNDARY b a WORD_BOUNDARY b a WORD_BOUNDARY b a b WORD_BOUNDARY