Two words

It seems to me that a one word poem, unless it consisted of a made up word, could never be any good. Its meaning would already have been absorbed at another time and there isn't much room for reimagination if it is only done by framing. Of course there is a staggering number of two word combinations many of them rarely if ever experienced. I was wondering if, as in any formal poem, there could be a method of writing a two worder- or is it that the regular lengths of structured poems have lengths that are related to the structure of language.