per·mu·ta·tion 
/ˌpɚmjuˈteɪʃən/ noun
plural per·mu·ta·tions /ˌpɚmjuˈteɪʃən/ noun [count] formal : one of the many different ways or forms in which something exists or can be arranged — usually plural ▪ Computer technology, in all of its permutations, is here to stay. ▪ Early permutations of the design look nothing like the final result. ▪ I have heard various permutations of this theory.
