sentences:  However, in the far eastern variants, Tibeto-Burman influence makes the distinction less clear, and it sometimes becomes similar to the phonology of the Assamese ৰ rô [].Unlike most languages of the region, Purbo Bengali dialects tend not to distinguish aspirated voiced stops , , , , and from their unaspirated equivalents, with some dialects treating them as allophones of each other and other dialects replacing the former with the latter completely.Some variants of Bengali, particularly Chittagonian and Chakma Bengali, have contrastive tone and so differences in pitch can distinguish words.