de sing de sing de sing
de sing de sing de sing .
d ɛ WORD_BOUNDARY s i ŋ WORD_BOUNDARY d ɛ WORD_BOUNDARY s i ŋ WORD_BOUNDARY d ɛ WORD_BOUNDARY s i ŋ WORD_BOUNDARY
d e WORD_BOUNDARY s i n g WORD_BOUNDARY d e WORD_BOUNDARY s i n g WORD_BOUNDARY d e WORD_BOUNDARY s i n g WORD_BOUNDARY