t um t um t um
t um t um t um .
t e WORD_BOUNDARY ũ ŋ WORD_BOUNDARY t e WORD_BOUNDARY ũ ŋ WORD_BOUNDARY t e WORD_BOUNDARY ũ ŋ WORD_BOUNDARY
t WORD_BOUNDARY u m WORD_BOUNDARY t WORD_BOUNDARY u m WORD_BOUNDARY t WORD_BOUNDARY u m WORD_BOUNDARY