amino amino amino amino
amino amino amino amino
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amino amino amino amino .
a m i n o̞ WORD_BOUNDARY a m i n o̞ WORD_BOUNDARY a m i n o̞ WORD_BOUNDARY a m i n o̞ WORD_BOUNDARY
a m i n o WORD_BOUNDARY a m i n o WORD_BOUNDARY a m i n o WORD_BOUNDARY a m i n o WORD_BOUNDARY . WORD_BOUNDARY