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fast de e ing-en box .
f a s t WORD_BOUNDARY d eː WORD_BOUNDARY eː WORD_BOUNDARY ɪ ŋ ɛ n WORD_BOUNDARY b ɔ k s WORD_BOUNDARY
f a s t WORD_BOUNDARY d e WORD_BOUNDARY e WORD_BOUNDARY i n g - e n WORD_BOUNDARY b o x WORD_BOUNDARY