e to ko cu ko ko
e to ko cu ko ko .
e WORD_BOUNDARY t̪ o WORD_BOUNDARY k o WORD_BOUNDARY t̪s u WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY
e WORD_BOUNDARY t o WORD_BOUNDARY k o WORD_BOUNDARY c u WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY . WORD_BOUNDARY