heapy ehapy haepy ahepy eahpy aehpy hepay ehpay hpeay pheay ephay pehay hapey ahpey hpaey phaey aphey pahey eaphy aephy epahy peahy apehy paehy heayp ehayp haeyp aheyp eahyp aehyp heyap ehyap hyeap yheap eyhap yehap hayep ahyep hyaep yhaep ayhep yahep eayhp aeyhp eyahp yeahp ayehp yaehp hepya ehpya hpeya pheya ephya pehya heypa ehypa hyepa yhepa eyhpa yehpa hpyea phyea hypea yhpea pyhea yphea epyha peyha eypha yepha pyeha ypeha hapye ahpye hpaye phaye aphye pahye haype ahype hyape yhape ayhpe yahpe hpyae phyae hypae yhpae pyhae yphae apyhe payhe ayphe yaphe pyahe ypahe eapyh aepyh epayh peayh apeyh paeyh eayph aeyph eyaph yeaph ayeph yaeph epyah peyah eypah yepah pyeah ypeah apyeh payeh aypeh yapeh pyaeh ypaeh
Note: these 'words' (valid or invalid) are all the permutations of the word heapy. These words are obtained by scrambling the letters in heapy.