a a a a un un un un
a a a a un un un un .
a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY ɯ n WORD_BOUNDARY ɯ n WORD_BOUNDARY ɯ n WORD_BOUNDARY ɯ n WORD_BOUNDARY
a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY u n WORD_BOUNDARY u n WORD_BOUNDARY u n WORD_BOUNDARY u n WORD_BOUNDARY