could could be anything
could could be anything .
k ʊ d WORD_BOUNDARY k ʊ d WORD_BOUNDARY b iː WORD_BOUNDARY ɛ n ɪ θ ɪ ŋ WORD_BOUNDARY
c o u l d WORD_BOUNDARY c o u l d WORD_BOUNDARY b e WORD_BOUNDARY a n y t h i n g WORD_BOUNDARY