flappy lfappy falppy aflppy lafppy alfppy flpapy lfpapy fplapy pflapy lpfapy plfapy faplpy afplpy fpalpy pfalpy apflpy paflpy lapfpy alpfpy lpafpy plafpy aplfpy palfpy flappy lfappy falppy aflppy lafppy alfppy flpapy lfpapy fplapy pflapy lpfapy plfapy faplpy afplpy fpalpy pfalpy apflpy paflpy lapfpy alpfpy lpafpy plafpy aplfpy palfpy flppay lfppay fplpay pflpay lpfpay plfpay flppay lfppay fplpay pflpay lpfpay plfpay fpplay pfplay fpplay pfplay ppflay ppflay lppfay plpfay lppfay plpfay pplfay pplfay fapply afpply fpaply pfaply apfply pafply fapply afpply fpaply pfaply apfply pafply fppaly pfpaly fppaly pfpaly ppfaly ppfaly appfly papfly appfly papfly ppafly ppafly lappfy alppfy lpapfy plapfy aplpfy palpfy lappfy alppfy lpapfy plapfy aplpfy palpfy lppafy plpafy lppafy plpafy pplafy pplafy applfy paplfy applfy paplfy ppalfy ppalfy flapyp lfapyp falpyp aflpyp lafpyp alfpyp flpayp lfpayp fplayp pflayp lpfayp plfayp faplyp afplyp fpalyp pfalyp apflyp paflyp lapfyp alpfyp lpafyp plafyp aplfyp palfyp flaypp lfaypp falypp aflypp lafypp alfypp flyapp lfyapp fylapp yflapp lyfapp ylfapp faylpp afylpp fyalpp yfalpp ayflpp yaflpp layfpp alyfpp lyafpp ylafpp aylfpp yalfpp flpyap lfpyap fplyap pflyap lpfyap plfyap flypap lfypap fylpap yflpap lyfpap ylfpap fpylap pfylap fyplap yfplap pyflap ypflap lpyfap plyfap lypfap ylpfap pylfap yplfap fapylp afpylp fpaylp pfaylp apfylp pafylp fayplp afyplp fyaplp yfaplp ayfplp yafplp fpyalp pfyalp fypalp yfpalp pyfalp ypfalp apyflp payflp aypflp yapflp pyaflp ypaflp lapyfp alpyfp lpayfp playfp aplyfp palyfp laypfp alypfp lyapfp ylapfp aylpfp yalpfp lpyafp plyafp lypafp ylpafp pylafp yplafp apylfp paylfp ayplfp yaplfp pyalfp ypalfp flapyp lfapyp falpyp aflpyp lafpyp alfpyp flpayp lfpayp fplayp pflayp lpfayp plfayp faplyp afplyp fpalyp pfalyp apflyp paflyp lapfyp alpfyp lpafyp plafyp aplfyp palfyp flaypp lfaypp falypp aflypp lafypp alfypp flyapp lfyapp fylapp yflapp lyfapp ylfapp faylpp afylpp fyalpp yfalpp ayflpp yaflpp layfpp alyfpp lyafpp ylafpp aylfpp yalfpp flpyap lfpyap fplyap pflyap lpfyap plfyap flypap lfypap fylpap yflpap lyfpap ylfpap fpylap pfylap fyplap yfplap pyflap ypflap lpyfap plyfap lypfap ylpfap pylfap yplfap fapylp afpylp fpaylp pfaylp apfylp pafylp fayplp afyplp fyaplp yfaplp ayfplp yafplp fpyalp pfyalp fypalp yfpalp pyfalp ypfalp apyflp payflp aypflp yapflp pyaflp ypaflp lapyfp alpyfp lpayfp playfp aplyfp palyfp laypfp alypfp lyapfp ylapfp aylpfp yalpfp lpyafp plyafp lypafp ylpafp pylafp yplafp apylfp paylfp ayplfp yaplfp pyalfp ypalfp flppya lfppya fplpya pflpya lpfpya plfpya flppya lfppya fplpya pflpya lpfpya plfpya fpplya pfplya fpplya pfplya ppflya ppflya lppfya plpfya lppfya plpfya pplfya pplfya flpypa lfpypa fplypa pflypa lpfypa plfypa flyppa lfyppa fylppa yflppa lyfppa ylfppa fpylpa pfylpa fyplpa yfplpa pyflpa ypflpa lpyfpa plyfpa lypfpa ylpfpa pylfpa yplfpa flpypa lfpypa fplypa pflypa lpfypa plfypa flyppa lfyppa fylppa yflppa lyfppa ylfppa fpylpa pfylpa fyplpa yfplpa pyflpa ypflpa lpyfpa plyfpa lypfpa ylpfpa pylfpa yplfpa fppyla pfpyla fppyla pfpyla ppfyla ppfyla fpypla pfypla fyppla yfppla pyfpla ypfpla fpypla pfypla fyppla yfppla pyfpla ypfpla ppyfla ppyfla pypfla yppfla pypfla yppfla lppyfa plpyfa lppyfa plpyfa pplyfa pplyfa lpypfa plypfa lyppfa ylppfa pylpfa yplpfa lpypfa plypfa lyppfa ylppfa pylpfa yplpfa ppylfa ppylfa pyplfa ypplfa pyplfa ypplfa fappyl afppyl fpapyl pfapyl apfpyl pafpyl fappyl afppyl fpapyl pfapyl apfpyl pafpyl fppayl pfpayl fppayl pfpayl ppfayl ppfayl appfyl papfyl appfyl papfyl ppafyl ppafyl fapypl afpypl fpaypl pfaypl apfypl pafypl fayppl afyppl fyappl yfappl ayfppl yafppl fpyapl pfyapl fypapl yfpapl pyfapl ypfapl apyfpl payfpl aypfpl yapfpl pyafpl ypafpl fapypl afpypl fpaypl pfaypl apfypl pafypl fayppl afyppl fyappl yfappl ayfppl yafppl fpyapl pfyapl fypapl yfpapl pyfapl ypfapl apyfpl payfpl aypfpl yapfpl pyafpl ypafpl fppyal pfpyal fppyal pfpyal ppfyal ppfyal fpypal pfypal fyppal yfppal pyfpal ypfpal fpypal pfypal fyppal yfppal pyfpal ypfpal ppyfal ppyfal pypfal yppfal pypfal yppfal appyfl papyfl appyfl papyfl ppayfl ppayfl apypfl paypfl ayppfl yappfl pyapfl ypapfl apypfl paypfl ayppfl yappfl pyapfl ypapfl ppyafl ppyafl pypafl yppafl pypafl yppafl lappyf alppyf lpapyf plapyf aplpyf palpyf lappyf alppyf lpapyf plapyf aplpyf palpyf lppayf plpayf lppayf plpayf pplayf pplayf applyf paplyf applyf paplyf ppalyf ppalyf lapypf alpypf lpaypf playpf aplypf palypf layppf alyppf lyappf ylappf aylppf yalppf lpyapf plyapf lypapf ylpapf pylapf yplapf apylpf paylpf ayplpf yaplpf pyalpf ypalpf lapypf alpypf lpaypf playpf aplypf palypf layppf alyppf lyappf ylappf aylppf yalppf lpyapf plyapf lypapf ylpapf pylapf yplapf apylpf paylpf ayplpf yaplpf pyalpf ypalpf lppyaf plpyaf lppyaf plpyaf pplyaf pplyaf lpypaf plypaf lyppaf ylppaf pylpaf yplpaf lpypaf plypaf lyppaf ylppaf pylpaf yplpaf ppylaf ppylaf pyplaf ypplaf pyplaf ypplaf appylf papylf appylf papylf ppaylf ppaylf apyplf payplf aypplf yapplf pyaplf ypaplf apyplf payplf aypplf yapplf pyaplf ypaplf ppyalf ppyalf pypalf yppalf pypalf yppalf
Note: these 'words' (valid or invalid) are all the permutations of the word flappy. These words are obtained by scrambling the letters in flappy.