Permutations For NIPENE

Here are all the permutations for the letters NIPENE.

niep niep npei npei neip nepi neip nepi inep inep ienp ienp inep inep ienp ienp pnei pnei peni peni pnei pnei peni peni enip enpi einp einp epni epni enip enpi niep niep npei npei neip nepi neip nepi enip enpi einp einp epni epni enip enpi