nei nei nei nei nei nei nei
nei nei nei nei nei nei nei .
n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY n̪ ei̯ WORD_BOUNDARY
n e i WORD_BOUNDARY n e i WORD_BOUNDARY n e i WORD_BOUNDARY n e i WORD_BOUNDARY n e i WORD_BOUNDARY n e i WORD_BOUNDARY n e i WORD_BOUNDARY . WORD_BOUNDARY