Let B m,n denote the set of all words obtained from the cyclic word of length n on an alphabet of m letters in by deleting on all possible ways and their natural order. In [Order, 16: 179-194, 1999] Burosch et al. computed the automorphism group of the poset B m,n . In this paper, we apply this result to obtain all of orbits of the natural action of Aut(B m,n ) on B m,n .
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