punily upnily pnuily npuily unpily nupily puinly upinly piunly ipunly uipnly iupnly pniuly npiuly pinuly ipnuly nipuly inpuly uniply nuiply uinply iunply niuply inuply punliy upnliy pnuliy npuliy unpliy nupliy pulniy uplniy pluniy lpuniy ulpniy lupniy pnluiy npluiy plnuiy lpnuiy nlpuiy lnpuiy unlpiy nulpiy ulnpiy lunpiy nlupiy lnupiy puilny upilny piulny ipulny uiplny iuplny puliny upliny pluiny lpuiny ulpiny lupiny piluny ipluny pliuny lpiuny ilpuny lipuny uilpny iulpny ulipny luipny ilupny liupny pniluy npiluy pinluy ipnluy nipluy inpluy pnliuy npliuy plniuy lpniuy nlpiuy lnpiuy pilnuy iplnuy plinuy lpinuy ilpnuy lipnuy nilpuy inlpuy nlipuy lnipuy ilnpuy linpuy unilpy nuilpy uinlpy iunlpy niulpy inulpy unlipy nulipy ulnipy lunipy nluipy lnuipy uilnpy iulnpy ulinpy luinpy ilunpy liunpy nilupy inlupy nliupy lniupy ilnupy linupy puniyl upniyl pnuiyl npuiyl unpiyl nupiyl puinyl upinyl piunyl ipunyl uipnyl iupnyl pniuyl npiuyl pinuyl ipnuyl nipuyl inpuyl unipyl nuipyl uinpyl iunpyl niupyl inupyl punyil upnyil pnuyil npuyil unpyil nupyil puynil upynil pyunil ypunil uypnil yupnil pnyuil npyuil pynuil ypnuil nypuil ynpuil unypil nuypil uynpil yunpil nyupil ynupil puiynl upiynl piuynl ipuynl uipynl iupynl puyinl upyinl pyuinl ypuinl uypinl yupinl piyunl ipyunl pyiunl ypiunl iypunl yipunl uiypnl iuypnl uyipnl yuipnl iyupnl yiupnl pniyul npiyul pinyul ipnyul nipyul inpyul pnyiul npyiul pyniul ypniul nypiul ynpiul piynul ipynul pyinul ypinul iypnul yipnul niypul inypul nyipul ynipul iynpul yinpul uniypl nuiypl uinypl iunypl niuypl inuypl unyipl nuyipl uynipl yunipl nyuipl ynuipl uiynpl iuynpl uyinpl yuinpl iyunpl yiunpl niyupl inyupl nyiupl yniupl iynupl yinupl punlyi upnlyi pnulyi npulyi unplyi nuplyi pulnyi uplnyi plunyi lpunyi ulpnyi lupnyi pnluyi npluyi plnuyi lpnuyi nlpuyi lnpuyi unlpyi nulpyi ulnpyi lunpyi nlupyi lnupyi punyli upnyli pnuyli npuyli unpyli nupyli puynli upynli pyunli ypunli uypnli yupnli pnyuli npyuli pynuli ypnuli nypuli ynpuli unypli nuypli uynpli yunpli nyupli ynupli pulyni uplyni pluyni lpuyni ulpyni lupyni puylni upylni pyulni ypulni uyplni yuplni plyuni lpyuni pyluni ypluni lypuni ylpuni ulypni luypni uylpni yulpni lyupni ylupni pnlyui nplyui plnyui lpnyui nlpyui lnpyui pnylui npylui pynlui ypnlui nyplui ynplui plynui lpynui pylnui yplnui lypnui ylpnui nlypui lnypui nylpui ynlpui lynpui ylnpui unlypi nulypi ulnypi lunypi nluypi lnuypi unylpi nuylpi uynlpi yunlpi nyulpi ynulpi ulynpi luynpi uylnpi yulnpi lyunpi ylunpi nlyupi lnyupi nylupi ynlupi lynupi ylnupi puilyn upilyn piulyn ipulyn uiplyn iuplyn puliyn upliyn pluiyn lpuiyn ulpiyn lupiyn piluyn ipluyn pliuyn lpiuyn ilpuyn lipuyn uilpyn iulpyn ulipyn luipyn ilupyn liupyn puiyln upiyln piuyln ipuyln uipyln iupyln puyiln upyiln pyuiln ypuiln uypiln yupiln piyuln ipyuln pyiuln ypiuln iypuln yipuln uiypln iuypln uyipln yuipln iyupln yiupln pulyin uplyin pluyin lpuyin ulpyin lupyin puylin upylin pyulin ypulin uyplin yuplin plyuin lpyuin pyluin ypluin lypuin ylpuin ulypin luypin uylpin yulpin lyupin ylupin pilyun iplyun pliyun lpiyun ilpyun lipyun piylun ipylun pyilun ypilun iyplun yiplun plyiun lpyiun pyliun ypliun lypiun ylpiun ilypun liypun iylpun yilpun lyipun ylipun uilypn iulypn uliypn luiypn iluypn liuypn uiylpn iuylpn uyilpn yuilpn iyulpn yiulpn ulyipn luyipn uylipn yulipn lyuipn yluipn ilyupn liyupn iylupn yilupn lyiupn yliupn pnilyu npilyu pinlyu ipnlyu niplyu inplyu pnliyu npliyu plniyu lpniyu nlpiyu lnpiyu pilnyu iplnyu plinyu lpinyu ilpnyu lipnyu nilpyu inlpyu nlipyu lnipyu ilnpyu linpyu pniylu npiylu pinylu ipnylu nipylu inpylu pnyilu npyilu pynilu ypnilu nypilu ynpilu piynlu ipynlu pyinlu ypinlu iypnlu yipnlu niyplu inyplu nyiplu yniplu iynplu yinplu pnlyiu nplyiu plnyiu lpnyiu nlpyiu lnpyiu pnyliu npyliu pynliu ypnliu nypliu ynpliu plyniu lpyniu pylniu yplniu lypniu ylpniu nlypiu lnypiu nylpiu ynlpiu lynpiu ylnpiu pilynu iplynu pliynu lpiynu ilpynu lipynu piylnu ipylnu pyilnu ypilnu iyplnu yiplnu plyinu lpyinu pylinu yplinu lypinu ylpinu ilypnu liypnu iylpnu yilpnu lyipnu ylipnu nilypu inlypu nliypu lniypu ilnypu linypu niylpu inylpu nyilpu ynilpu iynlpu yinlpu nlyipu lnyipu nylipu ynlipu lynipu ylnipu ilynpu liynpu iylnpu yilnpu lyinpu ylinpu unilyp nuilyp uinlyp iunlyp niulyp inulyp unliyp nuliyp ulniyp luniyp nluiyp lnuiyp uilnyp iulnyp ulinyp luinyp ilunyp liunyp niluyp inluyp nliuyp lniuyp ilnuyp linuyp uniylp nuiylp uinylp iunylp niuylp inuylp unyilp nuyilp uynilp yunilp nyuilp ynuilp uiynlp iuynlp uyinlp yuinlp iyunlp yiunlp niyulp inyulp nyiulp yniulp iynulp yinulp unlyip nulyip ulnyip lunyip nluyip lnuyip unylip nuylip uynlip yunlip nyulip ynulip ulynip luynip uylnip yulnip lyunip ylunip nlyuip lnyuip nyluip ynluip lynuip ylnuip uilynp iulynp uliynp luiynp iluynp liuynp uiylnp iuylnp uyilnp yuilnp iyulnp yiulnp ulyinp luyinp uylinp yulinp lyuinp yluinp ilyunp liyunp iylunp yilunp lyiunp yliunp nilyup inlyup nliyup lniyup ilnyup linyup niylup inylup nyilup ynilup iynlup yinlup nlyiup lnyiup nyliup ynliup lyniup ylniup ilynup liynup iylnup yilnup lyinup ylinup
Note: these 'words' (valid or invalid) are all the permutations of the word punily. These words are obtained by scrambling the letters in punily.