ɪɾ ɪz ˈɔːlsoʊ pˈɑːsᵻbəl tʊ ɐlˈaʊ mˌʌltɪpəl sˈaɪd tʃˈeɪnz tuː "kəmpˈiːt" ˌoʊvɚɹ ɐ pəzˈɪʃən baɪ ɪŋklˈuːdɪŋ bˈoʊθ tˈaɪps ʌv sˈaɪd tʃˈeɪnz ɪnðə sˈɛt ʌv ɹˈoʊɾeɪmɚz fɔːɹ ðæt pəzˈɪʃən.
It is also possible to allow multiple side chains to "compete" over a position  by including both types of side chains in the set of rotamers for that position.