ko kolu kolut kolut
ko kolu kolut kolut .
k o WORD_BOUNDARY k o l ʊ WORD_BOUNDARY k o l ʊ t WORD_BOUNDARY k o l ʊ t WORD_BOUNDARY
k o WORD_BOUNDARY k o l u WORD_BOUNDARY k o l u t WORD_BOUNDARY k o l u t WORD_BOUNDARY