Permutations For NIPUP

Here are all the permutations for the letters NIPUP.

nipu nipu npiu npui nupi nupi npiu npui inpu inpu ipnu ipun iupn iupn ipnu ipun pniu pnui pinu piun puni puin unpi unpi uipn uipn upni upin upni upin pniu pnui pinu piun puni puin