Permutations For NIPNU

Here are all the permutations for the letters NIPNU.

nipu niup npiu npui nuip nupi inpu inup ipnu ipnu inpu inup iunp iunp pniu pnui pinu pinu pniu pnui puni puni nipu niup npiu npui nuip nupi unip unpi uinp uinp upni upni unip unpi